Development Boards

Product Details:

CJMCU-ADS1115 16-Bit ADC Board Description

The CJMCU-ADS1115 16-Bit ADC Board is a highly accurate, precision analog-to-digital converter (ADC) designed for interfacing with sensors and other analog signals in a variety of electronics and IoT applications. The module is built around the ADS1115 chip, which is capable of converting analog signals into digital data with a resolution of 16 bits. This board is ideal for high-precision measurements and is commonly used in sensor interfaces, data acquisition systems, and embedded projects.

Key Features:

1. High-Resolution 16-Bit ADC

   • The ADS1115 offers a 16-bit resolution, allowing for accurate conversion of analog signals into digital values with fine precision. This makes it ideal for applications where high measurement accuracy is essential.

2. Low Power Consumption

   • The CJMCU-ADS1115 is designed for low power usage, making it suitable for battery-operated systems and portable devices without compromising on performance.

3. I2C Interface

   • The module communicates with microcontrollers and processors via the I2C (Inter-Integrated Circuit) interface, which simplifies connections by using only two communication lines (SCL for clock and SDA for data), reducing the complexity of the wiring.

4. Programmable Gain Amplifier (PGA)

   • The ADS1115 includes a programmable gain amplifier (PGA), which allows you to adjust the input voltage range. This enables the module to handle signals with different amplitudes, making it versatile for various sensor inputs.

5. Multiple Input Channels

   • The CJMCU-ADS1115 has 4 single-ended input channels (A0 to A3) and the ability to perform differential measurements across two channels. This allows for flexibility in sensor interfacing and measurement configurations.

6. Conversion Speed

   • The ADC offers a maximum data rate of 860 SPS (samples per second). This speed is sufficient for many typical measurement applications, including slow-changing sensors and environmental monitoring.

7. Voltage Reference

   • The module uses the AVDD pin as the voltage reference, typically connected to the same voltage as the power supply, providing consistent ADC readings based on the system’s voltage level.

8. Wide Input Voltage Range

   • The CJMCU-ADS1115 can operate with an input voltage of 2.0V to 5.5V, making it compatible with a wide range of microcontrollers and systems, including 3.3V and 5V logic levels.

9. Internal Comparator

   • The module includes an internal comparator with configurable threshold limits, which can be used for triggering external actions such as sending alerts when a specific voltage level is reached.

10. Programmable Data Rate

    • The ADC allows for configuring the data rate to suit different measurement requirements. This enables the module to balance between conversion speed and power consumption based on the application's needs.

11. Easy Integration

    • The module is designed for easy integration with development boards such as Arduino, Raspberry Pi, and other microcontroller platforms. It comes with an I2C interface, making it easy to connect and communicate with these devices.

Product Details:

SIM7020E NB-IoT HAT for Raspberry Pi: Description

The SIM7020E NB-IoT HAT for Raspberry Pi is a hardware add-on (HAT) designed to enable Narrowband IoT (NB-IoT) connectivity for Raspberry Pi devices. The module is built around the SIM7020E, a highly efficient NB-IoT and GSM/GPRS communication module, allowing your Raspberry Pi to communicate over cellular networks using NB-IoT technology.

NB-IoT is a low-power wide-area network (LPWAN) technology designed specifically for IoT applications. It provides reliable, long-range, low-power connectivity, making it an ideal choice for remote sensing, monitoring, and control systems in industries such as agriculture, logistics, smart cities, and industrial IoT.

This HAT enables your Raspberry Pi to connect to NB-IoT networks, facilitating applications such as smart metering, asset tracking, environmental monitoring, and more. With its compact design, easy installation, and low power consumption, the SIM7020E NB-IoT HAT is an excellent tool for prototyping and developing NB-IoT-based projects with the Raspberry Pi.

Key Features:

1. NB-IoT Connectivity:

   • Supports NB-IoT for low-power, long-range IoT applications, enabling cellular connectivity in remote and difficult-to-reach areas.

2. GSM/GPRS Compatibility:

   • In addition to NB-IoT, the SIM7020E module supports GSM and GPRS, offering compatibility with existing cellular networks.

3. Low Power Consumption:

   • Designed for low-power operations, making it ideal for battery-powered and energy-efficient IoT devices.

4. Raspberry Pi Compatibility:

   • The HAT is fully compatible with Raspberry Pi 2, 3, and 4 models, connecting via the GPIO pins for seamless integration.

5. Multiple IoT Applications:

   • Suitable for a variety of IoT applications, including remote monitoring, smart agriculture, environmental sensors, and asset tracking.

6. Compact and Easy to Install:

   • The HAT form factor allows for easy installation on Raspberry Pi boards, and it comes with simple, well-documented software libraries to get started quickly.

7. Support for MQTT and HTTP Protocols:

   • It supports common IoT communication protocols like MQTT and HTTP, enabling seamless data transmission between IoT devices and cloud platforms.

8. Global Coverage:

   • The SIM7020E supports multiple bands, allowing for NB-IoT connectivity across a wide range of geographical locations and cellular networks.

Applications:

• Smart metering (water, electricity, gas)
• Asset tracking and logistics
• Environmental monitoring (air quality, soil conditions)
• Agriculture automation
• Industrial IoT (remote monitoring of machines or sensors)
• Smart cities and infrastructure

The SIM7020E NB-IoT HAT for Raspberry Pi enables you to build powerful, reliable, and low-power IoT applications using the Raspberry Pi platform. Whether you're working on a smart agriculture project or developing a remote monitoring solution, this HAT provides the essential connectivity needed for your IoT devices.

Product Details:

The WEMOS D1 R2 WiFi ESP8266 Shield for Arduino is an expansion board designed to add WiFi connectivity to Arduino-based projects. This shield integrates the ESP8266 WiFi chip with the Arduino platform, allowing you to easily connect your projects to the internet for IoT (Internet of Things) applications. It is compatible with Arduino IDE and provides a simple interface for developing WiFi-based applications.

Key Features:

1. ESP8266 WiFi Chip:

   • Built-in ESP8266 WiFi chip, providing reliable and fast WiFi connectivity for your Arduino projects.

2. Arduino Compatibility:

   • Compatible with Arduino Uno, Mega, and other compatible boards via the shield form factor.
   • Easily programmable through the Arduino IDE for developing WiFi-based applications.

3. Integrated Antenna:

   • Includes an onboard antenna for stable wireless communication.

4. I/O Expansion:

   • Provides extra GPIO pins for connecting additional components and sensors, enhancing the versatility of your project.

5. Power Supply:

   • Operates at 3.3V but is equipped with an onboard voltage regulator to handle 5V input from Arduino.

6. Easy Setup:

   • Simple and straightforward to set up for projects that require wireless communication, from home automation systems to cloud-connected sensors.

7. LED Indicator:

   • Includes an LED indicator for WiFi connection status.

8. Programming Interface:

   • Allows direct access to the serial interface for debugging and programming ESP8266.

Applications:

• Internet of Things (IoT) projects
• Home automation
• Remote sensing and monitoring
• Smart home devices and controllers
• Wireless communication for Arduino-based systems

Technical Specifications:

• WiFi Chip: ESP8266
• Microcontroller Support: Compatible with Arduino Uno, Mega, and other Arduino-compatible boards
• Power Input: 5V via Arduino, regulated down to 3.3V for ESP8266
• GPIO Pins: Several digital I/O pins for expansion
• Serial Communication: UART (TX/RX) for programming and debugging
• Antenna: Onboard WiFi antenna
• Dimensions: Standard Arduino shield size, 68.6 x 53.4 mm

Product Details:

A GPIO Board for Microbit is an expansion board designed to extend the functionality of the BBC Micro:bit by providing access to multiple General-Purpose Input/Output (GPIO) pins. These boards make it easier to connect and control a variety of external components such as sensors, motors, LEDs, and other electronic modules.

Description:

1. Enhanced GPIO Access:

   • Provides additional headers or terminals for connecting peripherals.
   • Breaks out the Micro:bit’s edge connector pins into standard GPIO headers or screw terminals.

2. Compatibility:

   • Specifically designed to fit the Micro:bit V1 and V2 versions.
   • Plug-and-play design, requiring no soldering.

3. Power Supply Options:

   • Offers onboard power regulation to supply 3.3V or 5V to peripherals.
   • Can be powered via USB, battery, or Micro:bit’s own power source.

4. Design and Features:

   • Compact and lightweight, perfect for prototyping and education.
   • Clear labeling for GPIO pins (e.g., P0, P1, P2, GND, 3.3V).
   • Often includes pin types like PWM, I2C, SPI, and Analog/Digital Input.

5. Additional Peripherals:

   • Some boards come with built-in peripherals like LEDs, buttons, or displays for quick testing.
   • Supports servo and motor driver functionality in many models.

6. Use Case:

   • Ideal for robotics, IoT projects, and classroom learning.
   • Enables connection to breadboards for detailed circuit experiments.

Applications:

• Robotics: Controlling servos, DC motors, or stepper motors.
• IoT: Connecting sensors like temperature, humidity, or motion sensors.
• Education: Building interactive circuits for coding and electronics learning.
• Prototyping: Experimenting with circuits and devices quickly and conveniently.

Key Advantages:

• Simplifies the process of adding external components to Micro:bit projects.
• Reduces the need for complex wiring by providing organized and labeled connections.
• Promotes hands-on learning by bridging coding with hardware interaction.

Let me know if you’d like specific recommendations or detailed specs for a particular GPIO board for the Micro:bit!

Product Details:

A Prototyping Shield for Arduino Mega 2560 is a versatile expansion board that provides a breadboard-friendly platform to prototype your circuits without the need for soldering components directly to the Arduino. It is a convenient way to build and test your electronic projects before finalizing the design.

Product Details:

The micro:bit is Single Board Computer (SBC) that contains an application processor with a variety of on-chip peripherals. Other peripherals are connected to this chip. An interface processor is connected to the application processer and manages communication via the USB interface, including the drag-and-drop code flashing process. The interface processor does not control any of the peripherals on the board but is connected to the application processor on the internal board I2C bus.

Additional Information:

• Item Code: MICRO-BIT_V2.21_GO

Product Details:

The latest Sensor Shield V5 Expansion Board For Arduino is produced by ALSRobot. This Sensor Shield expansion board to retains the advantages of version V4.0 on the basis of stack design, PCB Immersion Gold processing technology. newly added many kinds of interface, for example, IIC interface, 32 channels servo motor interface, Bluetooth communication module interface, SD Card communication module interface and so on, more convenient.

Sensor Shield allows you to connect to various modules like sensors, servos, relays, buttons, potentiometers and many more directly to your Arduino through this Sensor Shield.

Each functional module has buckled port with VCC, GND, and Output, which has the corresponding port on the Sensor Shield, connected with a plain 2.54mm dual-female cable you may start playing already. Buckled brick cables are like cement for bricks, make the connections easier, secure and more professional looking.

You can easily connect with usual analog sensors by using this expansion board, such as ray sensor. If you support by this expansion board and the corresponding circuit module, you only need to combine Arduino and sensors module by using special cables, because concrete circuit details achieve by corresponding sensors module, so you only need to consider that how to read data coming from the sensor by the program in Arduino.

For Arduino beginners, you do not have a headache for the cumbersome and complex circuit connection, the sensor extends the true sense of the board to simplify the circuit which can easily connect the commonly used sensor, a sensor requires only a common 3P sensor cable (regardless of digital cable and analog cable), after the completion of the circuit connection, the preparation of the corresponding Arduino program downloaded to the Arduino Duemilanove controller reads the sensor data, or receive wireless module to return data after computing the final easy to complete your own interactive works.

Product Details:

he ESP32-WROOM-32D-N4 - Wi-Fi BLE Module 4MB PCB Antenna is a cutting-edge solution designed to meet a wide range of application requirements. Built with the powerful ESP32-WROOM-32D chip, this module offers exceptional Wi-Fi, Bluetooth, and Bluetooth LE capabilities, making them ideal for diverse applications such as low-power sensor networks, voice encoding, music streaming, and MP3 decoding.

At the heart of these modules lies the highly adaptable ESP32-D0WD chip from the ESP32 series. This scalable chip features two CPU cores that can be individually controlled, allowing for enhanced performance. With a CPU clock frequency that can be adjusted from 80 MHz to 240 MHz, the ESP32-D0WD chip offers remarkable flexibility. Furthermore, its integrated low-power coprocessor efficiently handles tasks that demand less computational power, resulting in significant power savings.

The ESP32-WROOM-32D-N4 module comes equipped with a 32 Mbit(4MB) SPI flash and a 40 MHz crystal, ensuring reliable performance. The compact PCB antenna, integrated onboard, further enhances its convenience and versatility. With dimensions of just 18 x 25.5 x 3.1 mm, this module excels in space-constrained environments without compromising functionality.

Benefiting from ESP32's comprehensive peripheral integration, the module boasts an array of features, including capacitive touch sensors, an SD card interface, Ethernet connectivity, high-speed SPI, UART, I2S, and I2C interfaces. This extensive range of peripherals allows seamless integration with a wide variety of devices, expanding the possibilities for your projects.

Product Details:

The Raspberry Pi 15.3W USB-C Power Supply (Model RKI-4594) is the official power adapter designed specifically for the Raspberry Pi 4 Model B. It ensures optimal performance by providing a stable and sufficient power supply, which is crucial for the Raspberry Pi 4's operation, especially when using peripherals like external hard drives or displays.

Product Details:

The GeeekPi Cooling Fan Kit is designed to provide active cooling for your Raspberry Pi, particularly useful if you're using it for demanding tasks like gaming, heavy computation, or long periods of operation. It includes a small fan and heat sinks to ensure that your Raspberry Pi stays within safe operating temperatures, which helps prolong the life and performance of the device.

Product Details:

The 20A PWM DC Motor Speed Controller Module is a versatile and robust solution for controlling the speed and direction of DC brushed motors in various applications, including robotics, automation, and electric vehicles.

Product Details:

Motor Control Board for Micro:bit

The Motor Control Board for Micro:bit is a versatile and user-friendly add-on designed to enhance the functionality of your BBC Micro:bit by enabling motorized projects with ease. This board is ideal for robotics enthusiasts, hobbyists, and educators, offering precise motor control for various applications.

Key Features:

• Dual Motor Control: Supports two DC motors with independent control, perfect for driving wheels, tracks, or other motorized components.
• Servo Motor Compatibility: Includes additional headers for connecting up to two servo motors, making it suitable for robotic arms, grippers, and other applications requiring servo operation.
• Compact Design: Lightweight and compact, ensuring seamless integration with your Micro:bit projects.
• Easy Connection: Directly attach the Micro:bit using a sturdy edge connector, ensuring secure and hassle-free installation.
• Power Supply Options: Compatible with a wide voltage range (typically 6-12V), making it versatile for battery or external power supply setups.
• Onboard Indicators: Features status LEDs to monitor motor and power conditions in real-time.
• Simple Coding: Fully compatible with Micro:bit programming environments like MakeCode, allowing users to program and control motors with drag-and-drop simplicity.
• Durable Build: Made with high-quality materials to withstand frequent use in educational and DIY settings.

Applications:

• Robotics Projects: Build line-following robots, obstacle-avoiding robots, and more.
• DIY Vehicles: Create motorized cars, boats, or drones.
• STEM Education: An excellent tool for teaching electronics, coding, and robotics.

The Motor Control Board for Micro:bit empowers users to bring their ideas to life, from basic motor control experiments to complex robotic creations. Whether you're an educator introducing students to programming or a maker building your next project, this motor control board is an indispensable addition to your toolkit.

Product Details:

Ethernet Shield W5100 for Arduino

The Ethernet Shield W5100 is an essential accessory for Arduino boards that allows them to connect to a network via Ethernet. Based on the W5100 chip, this shield provides a reliable, easy-to-use network interface, enabling Arduino to send and receive data over the internet or a local network. Whether you're building an IoT project, web server, or remote sensor, this Ethernet shield ensures seamless connectivity.

Key Features

• W5100 Chipset: The shield is powered by the W5100 Ethernet controller, offering support for multiple TCP/IP connections.
• Arduino Compatibility: Compatible with Arduino Uno, Mega, and other similar boards. Easily plugs into the Arduino board using the standard headers.
• Networking Features: Supports Ethernet communication protocols, including TCP, UDP, and HTTP, allowing you to create web servers, remote control systems, and more.
• Integrated SD Card Slot: Built-in microSD card slot for storage of data, such as logging sensor data or creating a file server.
• Easy Setup: Simple to set up and configure with the Arduino IDE, enabling users to get started with network-based applications quickly.
• Power Supply: Powered by the Arduino board via the same 5V supply.

Applications

• Internet of Things (IoT) projects.
• Web servers and remote monitoring systems.
• Data logging and file storage using the integrated SD card.
• Control and automation systems via network connection.

Specifications

• Chipset: W5100 Ethernet controller
• Compatible Boards: Arduino Uno, Mega, and other compatible boards
• Ethernet Port: Standard RJ45 connector for wired network connection
• SD Card Slot: Integrated microSD card slot for storage
• Power Supply: 5V (powered by the Arduino board)
• Communication Protocols: Supports TCP, UDP, and HTTP
• Operating Voltage: 5V DC
• Dimensions: Matches Arduino Uno form factor (~68.6mm x 53.4mm)
• LED Indicators: Link, Activity, and Power LEDs for network status monitoring

Product Details:

he Xbee shield allows an Arduino board to communicate wirelessly using Zigbee. It is based on the Xbee module from MaxStream. The module can communicate up to 100 feet indoors or 300 feet outdoors (with line-of-sight). It can be used as a serial/usb replacement or you can put it into a command mode and configure it for a variety of broadcast and mesh networking options. The shields breaks out each of the Xbee's pins to a through-hole solder pad. It also provides female pin headers for use of digital pins 2 to 7 and the analog inputs, which are covered by the shield (digital pins 8 to 13 are not obstructed by the shield, so you can use the headers on the board itself).

The Xbee shield was created in collaboration with Libelium, who developed it for use in their SquidBee motes (used for creating sensor networks).

Product Details:

The ESP32U-Wroom (4MB) is a high-performance development board featuring the powerful ESP32 microcontroller, which comes with built-in Wi-Fi and Bluetooth Low Energy (BLE) capabilities. Designed for a wide range of applications, this board is perfect for building IoT (Internet of Things) devices, wireless communication systems, and embedded projects that require both connectivity and processing power.

Product Details:

The RA-01SCH LoRa Module (Ai-thinker) is a long-range, low-power wireless communication module designed for IoT (Internet of Things) applications that require the transmission of small amounts of data over long distances. It utilizes LoRa (Long Range) technology, which is known for its ability to transmit data over several kilometers while consuming minimal power. The RA-01SCH module is based on the Semtech SX1276 LoRa transceiver chip, offering a robust solution for remote and low-power wireless communication.

Key Features of the RA-01SCH LoRa Module (Ai-thinker):

1. LoRa Technology:

   • The RA-01SCH uses LoRa (Long Range) modulation technology, which allows for data transmission over long distances with low power consumption. LoRa is particularly suitable for applications where other communication protocols like Wi-Fi, Bluetooth, or cellular are not practical due to distance or power limitations.

2. Long Communication Range:

   • The module can achieve communication ranges of up to 10 kilometers in open spaces, depending on the environment and antenna used. This makes it ideal for rural, industrial, or outdoor IoT applications where long-range communication is needed.

3. Low Power Consumption:

   • One of the primary advantages of the RA-01SCH module is its low power consumption. It is designed to operate on minimal energy, making it suitable for battery-powered devices that need to operate for extended periods without frequent recharging or replacement of batteries.

4. Frequency Bands:

   • The RA-01SCH LoRa module operates in the 433 MHz frequency band, commonly used in various countries for LoRa communication. It is important to ensure that the frequency band used is compatible with the local regulations for wireless communication.

5. Data Transmission Rate:

   • The module supports a data rate of 0.3 kbps to 37.5 kbps, making it suitable for applications that require the transmission of small packets of data rather than high-bandwidth data streams. It is optimized for low data rate, long-range communication.

Product Details:

The RA-01H is an advanced LoRa (Long Range) module that enhances wireless communication capabilities, operating on the Semtech SX1276/SX1278 chip. It is designed for high-performance, long-range applications with low power consumption and excellent interference resistance. The RA-01H specifically operates in the 868/915 MHz frequency bands, making it suitable for regions where these frequencies are commonly used.

Key Features:

1. LoRa Technology:

   • Based on LoRa modulation, offering long-range communication with minimal power usage.
   • Highly resistant to noise and interference.

2. Frequency Range:

   • Operates in the 868 MHz or 915 MHz ISM bands, depending on the configuration.

3. Extended Range:

   • Ideal for applications requiring communication over several kilometers in open areas.

4. High Sensitivity:

   • Achieves receiver sensitivity of up to -148 dBm, enabling excellent performance in weak signal environments.

5. High Power Output:

   • Provides an RF output power of up to +20 dBm (100 mW), improving transmission range.

6. Adjustable Parameters:

   • Programmable transmission power, bandwidth, coding rate, and spreading factor to optimize for specific use cases.

7. Low Power Consumption:

   • Designed for battery-powered devices, ensuring long operation on minimal energy.

8. Compact Design:

   • Small form factor makes it suitable for compact or embedded IoT devices.

9. Communication Interface:

   • Uses SPI for fast and reliable communication with host microcontrollers.

Product Details:

This is a Raspberry Pi 5 Case Clear Acrylic Case.  This is Made of transparent acrylic, it is beautiful and elegant, allowing you to see the motherboard through the casing. This case supports the installation of an active cooler, with no need to worry about overheating, making Raspberry Pi 5 more efficient and longer lifespan.

Specifications:

• Colour: Transparent
• Material: Acrylic
• Compatible with: Raspberry Pi 5 4GB, 8GB

Features:

• Transparency: The acrylic case features a transparent design, allowing you to showcase the internal structure and layout components of the For Raspberry Pi 5 motherboard.
• Sturdy and Reliable: Despite being made of plastic, acrylic cases typically offer excellent durability and impact resistance, effectively protecting the Raspberry Pi 5 motherboard from external damage.
• Easy Installation: The acrylic case features a simple assembly design, making it easy to install and assemble. Users can follow the provided instructions without the need for special tools or fasteners.
• Protective and Customizable: The acrylic case provides essential protection, preventing dust and small particles from entering the motherboard's internals. It also safeguards against accidental contact with pins or other electronic components, offering mechanical protection. The acrylic case includes openings and interface positions for convenient connection to external devices and expansion interfaces.
• Efficient Heat Dissipation: The design of the case takes into account the heat dissipation requirements, providing appropriate heat dissipation holes and vents. This helps effectively lower the temperature of the Raspberry Pi 5 motherboard, enhancing system stability and performance.

Note: Raspberry Pi Board and other accessories are not included in the package.

Product Details:

Educational Robot Building Kits are hands-on learning tools designed to teach various STEM concepts, including robotics, engineering, programming, and electronics. These kits often come with all the necessary components to build functional robots and are aimed at students, hobbyists, or anyone interested in learning more about robotics. They are a popular choice for both classroom settings and home learning environments.

Key Features of Educational Robot Building Kits:

1. Variety of Robot Designs:

   • Educational robot kits typically allow users to build a variety of robot types, such as line-following robots, obstacle-avoiding robots, remote-controlled robots, humanoid robots, and swarm robots.
   • Some kits offer modular design options that enable the construction of different robots with a single kit by changing configurations.

2. Learning Programming:

   • Many kits come with an easy-to-use programming interface, such as block-based coding (e.g., Scratch, Blockly), making them suitable for beginners.
   • More advanced kits might support text-based programming languages such as Python, C++, or Arduino IDE, allowing users to dive deeper into programming as they progress.

3. Hands-On Learning Experience:

   • The kits usually include a combination of motors, sensors (like ultrasonic, infrared, light, and temperature sensors), gears, wheels, and structural parts to assemble the robots.
   • The assembly process helps users understand the fundamental concepts of mechanical engineering, electrical circuits, and robotics principles.

4. STEM Skills Development:

   • These kits are designed to foster skills in science, technology, engineering, and mathematics (STEM), particularly focusing on problem-solving, critical thinking, and innovation.
   • They encourage hands-on experimentation, teamwork (if used in groups), and the ability to troubleshoot and optimize robotic systems.

5. Integration with Sensors and Actuators:

   • Many robot kits come equipped with a variety of sensors, such as light sensors, distance sensors, motion sensors, and temperature sensors.
   • This allows users to experiment with feedback loops, autonomous behavior, and robot perception. Actuators such as motors and servos are included to allow the robot to move and perform actions.

6. Connectivity and Communication:

   • Some advanced kits feature wireless communication options like Bluetooth, Wi-Fi, or RF modules, allowing the robot to communicate with smartphones, computers, or other devices.
   • This enhances the learning experience by teaching users how to control their robots remotely or integrate them into larger systems.

7. Interactive Learning Materials:

   • Most educational robot kits come with comprehensive manuals or guides, often featuring step-by-step instructions on how to build various robot models.
   • Online resources, including tutorial videos, software tools, and community forums, are frequently available to assist learners.

Product Details:

The Arduino Uno R3 is a versatile microcontroller board based on the ATmega328P microchip. It's designed for both beginners and professionals in electronics and embedded systems, offering a user-friendly platform for building interactive projects.

Product Details:

The Arduino Mega 2560 R3 is a powerful microcontroller board based on the ATmega2560 chip. It offers an extensive set of features, making it ideal for projects requiring a large number of I/O pins, memory, and serial interfaces.

Product Details:

The 38Pin CP2102 ESP-32 Wifi+Bluetooth Development Board with Type-C USB Interface is a powerful platform featuring the ESP-32 chipset with integrated WiFi and Bluetooth capabilities. Its Type-C USB interface ensures convenient connectivity for seamless development. The inclusion of the CP2102 USB-to-Serial converter enhances communication efficiency. Ideal for IoT projects and electronics enthusiasts, this development board offers a versatile solution with 38 pins, providing ample GPIO options. Its compact design and feature-rich specifications make it suitable for a wide range of applications, from home automation to robotics.

Product Details:

This is CNC shield V3 for Engraving Machine 3D Printer A4988 DRV8825 driver expansion board.

This expansion board as a driver expansion board, can be used for engraving machines, 3D printers, CNC. It is a total of four slots, can drive four A4988 stepper motor. Each road stepper motors only need two IO ports. In other words, six IO ports can be well managed three stepper motors.

The CNC shield V3 for Engraving Machine 3D Printer A4988 DRV8825 driver expansion board is very convenient to use.

After insert Arduino CNC Shield V3.0 into Arduino UNO, and installed GRBL firmware then you can quickly DIY a CNC engraving machine.

Product Details:

Smart Robot Car Chassis Kit - 4 Wheel Description

The Smart Robot Car Chassis Kit - 4 Wheel is a versatile and robust platform designed for building mobile robots. This chassis is ideal for those looking to create a robot with four-wheel drive functionality, suitable for a wide range of robotics applications, including autonomous vehicles, educational robots, and hobby projects. The kit comes with all the essential components needed to assemble the chassis, and it is compatible with various electronic platforms and sensors to enable different levels of automation and control.

Key Features:

1. Durable Construction

   • The chassis is made from high-quality plastic or metal, ensuring durability and stability during operation. The robust design can handle both indoor and outdoor terrain, providing a solid foundation for building mobile robots.

2. 4-Wheel Drive System

   • The kit includes a 4-wheel drive system, offering superior traction and stability. This configuration allows the robot to move smoothly on different surfaces, even in challenging environments.

3. Motor Mounts and Wheels

   • The chassis comes with motor mounts for easy installation of motors, and wheels that are sized for smooth movement. The wheels are designed to provide consistent performance and are ideal for both straight and turning motions.

4. Compatible with DC Motors

   • The kit supports DC motors that can be connected to the wheels for propulsion. The motors are typically 6V or 12V and can be easily controlled via motor driver boards for speed and direction control.

5. Modular Design

   • The chassis is designed to be modular, allowing easy customization and upgrades. It can be expanded with additional sensors, cameras, or other accessories to enhance the robot’s functionality.

6. Wide Compatibility

   • It is compatible with popular microcontroller platforms such as Arduino, Raspberry Pi, and ESP32. This makes it easy to integrate electronics and control systems for building a robot that meets specific project requirements.

7. Pre-Drilled Holes

   • The chassis includes pre-drilled holes for mounting motors, sensors, and other components. This design feature simplifies assembly and ensures precise placement of the parts.

8. Easy Assembly

   • The kit is designed to be easy to assemble, even for beginners. It typically includes clear instructions for step-by-step assembly, and the parts fit together with minimal tools required.

9. Flexible Power Supply Options

   • The chassis can be powered by rechargeable batteries, such as Li-ion or NiMH, or other suitable power sources, providing flexibility for different project needs.

10. Lightweight and Compact

    • The chassis is lightweight, making it ideal for small to medium-sized robots. Despite its lightweight construction, it is designed to carry enough weight to support additional components like sensors or cameras.

Product Details:

The RA-01S is a compact LoRa module developed by Ai-Thinker, designed for applications requiring long-range communication, low power consumption, and robust performance in environments with interference. Based on the Semtech SX1268 chip, the RA-01S offers improvements over older LoRa modules, making it ideal for modern IoT and telemetry applications.

Key Features:

1. LoRa Modulation Technology:

   • Uses LoRa modulation for long-range, low-power communication.
   • Provides excellent resistance to interference and multipath fading.

2. Frequency Range:

   • Operates in the 433 MHz ISM band, suitable for unlicensed use in many regions.

3. Low Power Consumption:

   • Optimized for battery-powered devices, with low current usage during transmission and reception.

4. Compact Size:

   • Smaller than its predecessors, making it suitable for space-constrained applications.

5. High Sensitivity:

   • Receiver sensitivity of up to -148 dBm, ensuring reliable communication over long distances.

6. Improved Performance:

   • Based on the SX1268 chip, offering better efficiency and performance compared to older chips like SX1278.

7. Interface:

   • Communicates with host microcontrollers through SPI (Serial Peripheral Interface).

8. Adjustable Parameters:

   • Configurable transmission power, bandwidth, coding rate, and spreading factor for optimized performance.

Product Details:

The DWIN FCC1040A is a 10-pin, 1.0mm pitch Flexible Flat Cable (FFC) designed for use with DWIN HMI (Human-Machine Interface) displays and other compact electronic modules. This cable is typically employed to establish connections between the HMI module and other components, such as microcontrollers or communication interfaces, facilitating data transfer and control.

Product Details:

The SIM800C TTL Board is a compact and versatile GSM/GPRS module designed to provide mobile communication capabilities for IoT applications, remote monitoring, and embedded systems. With support for SMS, voice calls, and data transmission over GPRS, this module is an ideal solution for adding mobile connectivity to your projects. The TTL (Transistor-Transistor Logic) interface ensures easy integration with microcontrollers and other digital systems

Product Details:

The L9110S Dual Channel Motor Driver Module is a compact board that can be used to drive very small robots.

This tiny module has two independent L9110S motor driver chips which can each drive up to 800mA of continuous current. The boards can be operated from 2.5V to 12V enabling this module to be used with both 3.3V and 5V microcontrollers.

A set of male header pins is used to connect this module to your robot’s microcontroller brain. The motors are attached via two sets of screw terminals. A PWM Pulse Width Modulation signal is used to control the speed of a motor and a digital output is used to change its direction. This module can also be used to drive a single four-line two-phase stepper motor. Four holes make this board easy to mount onto your robot or another project.

Modules Interfaces:6P black bent pin description:1 VCC external voltage 2.5V-12V2 GND External GND3 AIA external microcontroller IO port4 AIB external microcontroller IO port5 BIA external microcontroller IO port6 BIB external microcontroller IO port4P green terminal:   1 OA1 OB1 contact DC 2-pin, non-directional   2 OA2 OB2 contact DC 2-pin, non-directional

Product Details:

An Expansion Board for Microbit with a Battery Holder is an add-on module designed to provide enhanced functionality to the BBC Micro:bit while also allowing it to be powered by a battery. This type of expansion board usually includes a dedicated battery holder, making it ideal for portable projects that do not require an external power source. It extends the Micro:bit's capabilities by providing additional connectors and features, all while offering a compact, battery-powered solution for mobile applications.

Description:

1. Battery Holder:

   • Includes a holder for batteries (commonly 2xAA, 3xAAA, or a Li-ion battery), allowing the Micro:bit to be used in standalone, portable projects.
   • Some models feature on/off switches to control the power supply to the Micro:bit and peripherals.

2. Enhanced Connectivity:

   • Breaks out additional GPIO pins from the Micro:bit's edge connector to facilitate easy connection to external components (e.g., sensors, motors, LEDs).
   • Often includes screw terminals or pin headers for various modules or components.

3. Power Management:

   • Voltage regulation ensures that the battery power is properly managed for the Micro:bit and connected components.
   • Provides a stable 3.3V or 5V output, depending on the components and the battery voltage.

4. Integration with Sensors and Peripherals:

   • Many expansion boards include onboard components such as LEDs, buttons, or sensors.
   • Supports popular communication protocols (I2C, SPI, UART) to interface with external sensors and devices.

5. Portability:

   • Enables portable, battery-powered projects without the need for a continuous USB power connection.
   • Ideal for mobile robotics, outdoor projects, and interactive devices that require portability.

Applications:

• Portable Robotics: Power robots with motors and sensors on the go.
• Outdoor Projects: For use in remote locations where external power sources aren’t available.
• IoT Devices: Build battery-operated IoT devices that can communicate via Bluetooth or other wireless protocols.
• Wearable Tech: Create wearable devices powered by batteries.
• Prototyping and Education: Encourage hands-on learning by allowing students to build battery-powered devices.

Key Advantages:

• Portability: Battery-powered design enables use in remote or mobile applications.
• Ease of Use: Simple to integrate with the Micro:bit and external components without requiring complex wiring.
• Versatility: Can be used in a wide range of projects, including robotics, interactive devices, and educational kits.
• Power Efficiency: Regulated power ensures consistent operation of both the Micro:bit and connected peripherals.

Example Features:

• Battery Holder: Supports AA, AAA, or rechargeable Li-ion batteries.
• Power Switch: For easy on/off control.
• Pin Header or Screw Terminals: For easy connections to sensors, motors, or other peripherals.
• LEDs or Buttons: Some boards include additional onboard features like status LEDs or user input buttons.
• Voltage Regulation: Ensures safe operation with stable output voltage (3.3V or 5V).

Typical Use Cases:

• Mobile Robotics: For creating robots that can move autonomously without being tethered to a power supply.
• Portable IoT Projects: Building battery-operated smart devices for remote monitoring and control.
• Interactive Displays: Creating interactive exhibits or devices powered by a portable battery source.

Product Details:

The PICkit 3 Programmer is a popular and versatile tool used for programming and debugging Microchip's PIC microcontrollers. It connects to a computer via USB and allows users to upload code to their PIC microcontroller-based projects and perform in-circuit debugging.

Key Features of PICkit 3 Programmer:

1. USB Interface:

   • The PICkit 3 uses a USB connection to interface with a PC. It is compatible with a wide range of operating systems, including Windows, making it easy to integrate into your development environment.

2. Programming & Debugging:

   • It supports In-Circuit Serial Programming (ICSP) for PIC microcontrollers, which allows users to program the microcontroller while it is still in the circuit, saving time and effort.
   • The PICkit 3 also offers debugging capabilities for your programs. It includes features like breakpoints, single-step execution, and variable inspection, making it easier to test and troubleshoot code.

3. Supports Wide Range of PIC Microcontrollers:

   • The PICkit 3 can program most PIC microcontrollers, including 8-bit, 16-bit, and 32-bit PIC families. It supports devices from the PIC10, PIC12, PIC16, PIC18, PIC24, dsPIC33, and PIC32 families, making it suitable for a wide variety of embedded applications.

4. High-Speed Programming:

   • It provides fast programming speeds, significantly improving development time by allowing rapid uploads of code to the target microcontroller.

5. Low Voltage Support:

   • The PICkit 3 can operate with voltages as low as 2.0V and can work with devices powered by low voltages, making it versatile for low-power and battery-operated systems.

6. Low-Cost Solution:

   • It is a cost-effective programming and debugging solution, especially compared to other professional programmers or debugging tools, making it accessible for hobbyists and professionals alike.

7. Easy-to-Use Interface:

   • The PICkit 3 is paired with MPLAB X IDE (Integrated Development Environment), which provides a graphical interface for programming and debugging, making it easy to use, even for beginners.

8. Updateable Firmware:

   • The PICkit 3's firmware can be updated via the MPLAB X IDE, allowing the programmer to stay compatible with newer versions of PIC microcontrollers and additional features.

9. Debugger and Programmer:

   • Beyond programming, the PICkit 3 is also an essential tool for real-time debugging. This feature is particularly helpful when you need to trace the execution of your code or identify issues in real-time while the microcontroller is running.

10. Diagnostic LED Indicators:

    • It has built-in LED indicators that provide visual feedback about the status of the programmer, including successful connections, errors, and the current state of the device.

Product Details:

The HLK B40 Development Board is a versatile and compact board designed for prototyping and developing electronic projects, particularly those involving DC-DC voltage conversion. This development board typically features a buck converter or a similar power regulation module, which is capable of stepping down a higher input voltage to a lower, stable output voltage, making it useful for a variety of applications where precise voltage control is needed.

One of the key features of the HLK B40 development board is its ability to operate across a wide input voltage range, often from 6V to 36V. This flexibility allows it to be used with a range of power sources, from higher-voltage power adapters to batteries. It provides an adjustable output, usually in the range of 3.3V to 5V, making it suitable for powering microcontrollers (like Arduino, ESP8266, ESP32, or Raspberry Pi), sensors, and other low-power devices.

The board is typically based on a switching regulator (often a buck converter), which is more efficient than linear regulators. This efficiency is crucial for projects where power consumption is a concern, especially in battery-operated applications. The switching regulator minimizes the heat generated during operation, contributing to longer life and reliability in the project.

In terms of physical design, the HLK B40 board is typically small and compact, making it easy to integrate into projects with limited space. It includes standard pin headers or screw terminals, allowing for easy connection to external components. The board also often features LED indicators that show the status of the output voltage, providing visual feedback on the operation of the module.

The HLK B40 Development Board is widely used in embedded systems, IoT projects, battery-powered devices, and portable electronics, where efficient voltage regulation is required. Its small form factor, ease of use, and ability to handle a variety of input voltages make it a popular choice for hobbyists and engineers alike. It is especially useful in DIY electronics, making it easier to build power-efficient devices without the need for complex power management circuitry.

Product Details:

The 1 Channel Relay Board 5V 30A is a relay module designed to control high-power devices using a low-power control signal, such as from a microcontroller (like an Arduino or Raspberry Pi). This relay board allows for the switching of AC or DC loads, making it useful for automation, control, and switching tasks in electronics projects.

Key Features:

• 1 Channel Relay: The board features a single relay, allowing it to control one device or load at a time. This makes it ideal for simple on/off switching applications.
• 5V Control Voltage: The relay is triggered by a 5V control signal, which is typical for most microcontroller boards like Arduino, Raspberry Pi, and other development platforms.
• High Current Handling: The relay can handle up to 30A of current for DC loads, and 10A for AC loads. This allows it to control high-power devices such as motors, lamps, appliances, and other electrical equipment.
• High Voltage Support: The relay supports both AC (up to 250V) and DC (up to 30V) loads, making it versatile for various applications.
• Optocoupler Isolation: Many relay boards include an optocoupler for electrical isolation between the control side (low voltage) and the load side (high voltage), which helps to protect the low-voltage electronics from voltage spikes and surges.
• Mechanical Switching: The relay uses a mechanical switch to physically close or open the circuit, providing a reliable method for controlling high-power devices.
• LED Indicators: Most 1-channel relay boards feature LED indicators that show the relay’s status, whether it is ON or OFF, providing visual feedback during operation.
• Screw Terminals: The relay board usually includes screw terminals for easy connection to external devices or circuits, ensuring secure wiring for high-current applications.

Applications:

• Home Automation: Used in home automation projects to control lights, fans, and other household appliances remotely or based on conditions from sensors or timers.
• Remote Control Systems: Allows for the remote switching of electrical devices through a wireless or wired control system, making it useful for remote control applications such as turning on/off devices from a distance.
• Industrial Control: In industrial settings, a relay board like this can be used to control machines, motors, or heating elements that require a high current for operation.
• Microcontroller-Based Projects: In Arduino or Raspberry Pi projects, this relay is used to automate processes or control external devices that operate at higher power than the microcontroller can directly handle.
• Automated Testing: Can be used in automated test systems to switch electrical circuits on or off during testing, allowing for controlled experiments or simulations.

Benefits:

• Ease of Use: The 5V relay module is easy to control using a low-voltage signal from a microcontroller, which makes it ideal for beginners and experienced makers alike.
• High Power Capacity: With its ability to handle 30A DC and 10A AC, it is capable of controlling high-power devices, which broadens the scope of projects it can be used in.
• Isolation for Safety: The optocoupler isolation feature ensures that the low-voltage side of the system is protected from the high-voltage side, reducing the risk of damage or short circuits.
• Compact Design: The relay module is often small and compact, making it easy to integrate into space-constrained projects.

Product Details:

Atmega644 Development Board

The Atmega644 Development Board is a versatile and compact platform designed for developing and prototyping applications using the Atmega644 microcontroller. It is ideal for embedded systems, IoT applications, and projects requiring a robust and feature-rich microcontroller.

Key Features:

1. Atmega644 Microcontroller:

   • Based on an 8-bit AVR RISC architecture.
   • High-performance with 64KB of Flash memory, 4KB SRAM, and 2KB EEPROM.
   • Operates at up to 20MHz clock speed.

2. Comprehensive Pin Access:

   • All GPIO pins are broken out for easy interfacing.
   • Supports multiple communication interfaces:
     • UART
     • SPI
     • I2C (TWI)

3. Integrated Power Supply Options:

   • Supports both USB and external DC power input.
   • Wide voltage input range: 5V–12V (depending on model).

4. Crystal Oscillator:

   • Onboard 16MHz or 20MHz crystal for stable clock generation.

5. Programming Interface:

   • Compatible with ISP (In-System Programming).
   • Supports bootloader-based programming via UART (optional).

6. Compact Design:

   • Small form factor for easy integration into custom enclosures.

7. Onboard Components:

   • Reset button for convenient manual resets.
   • Power and status LEDs for visual feedback.
   • Voltage regulator for stable operation.

8. Expandable:

   • Compatible with external shields, sensors, and modules for diverse applications.

Specifications:

1. Microcontroller:
   • Model: Atmega644 (Atmel AVR family).
   • Architecture: 8-bit RISC.
   • Flash Memory: 64KB.
   • SRAM: 4KB.
   • EEPROM: 2KB.
2. Clock Speed: 16MHz or 20MHz (configurable).
3. I/O Pins:
   • 32 GPIOs.
   • 8 ADC channels (10-bit resolution).
   • PWM support on selected pins.
4. Communication Interfaces:
   • 1x UART.
   • 1x SPI.
   • 1x I2C (TWI).
5. Power:
   • Operating Voltage: 5V.
   • Input Voltage: 5V (USB) or 7V–12V (via external source).
6. Board Dimensions: ~70mm x 50mm x 15mm.

Product Details:

The STC Automatic Programmer USB – TTL is a specialized tool designed for programming STC series microcontrollers, including the STC10, STC11, STC12, and STC15 families. This programmer simplifies the process of burning firmware onto microcontrollers, making it an essential tool for developers and hobbyists working with STC MCUs

Product Details:

The L298 motor driver (red PCB) is a commonly used dual H-bridge motor driver IC that is used to control the speed and direction of DC motors and stepper motors. It's particularly popular in DIY electronics, robotics, and Arduino projects due to its ability to control motor direction and speed easily.

Product Details:

ESP32-C6-N4 Development Board: Description

The ESP32-C6-N4 Development Board is a cutting-edge platform designed for next-generation IoT applications. Built around the ESP32-C6 microcontroller, it combines robust wireless connectivity, high performance, and advanced security features in a compact and cost-effective package. This board is ideal for developers working on projects requiring Wi-Fi 6, Bluetooth 5.0, Zigbee, or Thread capabilities.

Highlights:

1. Wi-Fi 6 Support:

   • The ESP32-C6 features Wi-Fi 6 (802.11ax) with support for the 2.4 GHz band, offering improved speed, reliability, and efficiency in crowded network environments. Features like OFDMA (Orthogonal Frequency-Division Multiple Access) and Target Wake Time make it suitable for low-power and dense IoT deployments.

2. Bluetooth 5.0 LE:

   • Long-range Bluetooth 5.0 support enables efficient data transfer and compatibility with BLE Mesh networks, making it ideal for smart home and industrial applications.

3. Multi-Protocol Functionality:

   • The addition of IEEE 802.15.4 ensures support for Thread and Zigbee, opening doors for advanced mesh networking and interoperable IoT systems.

4. RISC-V Core:

   • Powered by a single-core 32-bit RISC-V processor running at up to 160 MHz, it offers high efficiency for resource-constrained applications.

5. Advanced Security:

   • Features like secure boot, hardware-based cryptography, and flash encryption provide robust protection for sensitive applications.

6. Development Flexibility:

   • Compatible with Espressif’s ESP-IDF, Arduino IDE, and PlatformIO, it ensures a wide range of development options for hobbyists and professionals alike.

Product Details:

• Plastic Material
• No batteries Battery
• Non Rechargeable
• Width x Height: 50 mm x 10 mm

Product Details:

The Arduino Nano CH340 is a compact microcontroller board based on the ATmega328P-AU chip. It features the CH340 USB-to-serial chip, which provides a cost-effective alternative to the FTDI chip used in the official Arduino Nano. This board is compatible with the Arduino IDE and is suitable for various applications, including robotics, IoT projects, and embedded systems.

Product Details:

The Arduino Nano V3.0 is a compact and versatile microcontroller board, perfect for projects where space is a constraint. It is based on the ATmega328P microcontroller, offering great performance with a wide range of features. The CH340 USB-to-serial chip provides an easy and reliable way to interface with your computer. This version of the board comes unsoldered, allowing you to choose and customize your pin headers as needed, providing more flexibility for DIY enthusiasts and professionals. Additionally, this version uses a Type-C USB connector for modern connectivity.

Product Details:

The A30 2-Wheel Aluminum Chassis is a robust and lightweight platform designed for building mobile robots. Crafted from high-quality aluminum alloy, this chassis offers durability and ease of customization, making it an ideal choice for hobbyists, educators, and developers working on robotics projects.