Product Details:
| Dimensions | 80mm x 76mm x 18mm |
| Battery Type | 18650 Li-ion |
| Number of Cells | 4 |
| Configuration | Series (14.8V output) |
| Applications | Robotics, DIY projects, flashlights, power banks |
The 4-Cell 18650 Battery Holder is a compact and practical solution for powering projects that require a 14.8V battery pack, such as Arduino-based systems, robotics, LED lighting, and portable power banks. This holder is designed to securely hold four 18650 lithium-ion cells in series, providing a total voltage output of 14.8V (3.7V per cell).
Product Details:
| Battery Type | 2 x 18650 lithium-ion or lithium-polymer cells |
| Voltage (Series) | 7.4V (2 cells in series: 3.7V each) |
| Voltage (Parallel) | 3.7V (2 cells in parallel) |
| Contact Resistance | Low resistance for reliable conductivity |
| Operating Temperature | Typically -20 DegreeC to 60 DegreeC |
Product Details:
| Output Voltage | 12 V |
| Input Voltage Range | 85-265V AC / 120-350V DC |
| Output Power | 30W |
| Output Current | Up to 2.5A |
| Isolation Voltage | 3000V AC |
| No-load Power Consumption | <0.1W |
Product Details:
| Cell Size | 18650 |
| Number Of Cells | 2 Cells |
| Color | Black |
| Case Material | Plastic |
| Internal Connections | Series |
| Output Voltage (V) | 7.4 |
| ON/OFF Switch | Yes |
| Cable Length | 15 cm |
| Dimensions | 9.1 x 4.2 x 2.2 mm |
| Weight | 33 gms |
The Plastic Covered 18650 x 2 Battery Holder with Cover and On/Off Switch is an ideal addition to your battery-powered project. It features a removable sliding cover secured by a small screw, ensuring easy access to the batteries.
The holder connects two 18650 3.7V batteries in series, providing a combined output of 7.4V. The fully enclosed cover offers protection against environmental elements, safeguarding the battery cells.
An integrated ON/OFF switch allows for convenient control of power to your project. The 15cm leads, with the final 5mm tinned, are ready for easy soldering. This series connection holder keeps your batteries organized and protected, making it perfect for devices requiring a 7.4V external power source.
Product Details:
| Cell Size | 18650 |
| Number Of Cells | 3 Cells |
| Material | High-quality plastic material |
| Color | Black |
| Item Type | Battery Holder |
| Compatibility | 18650 Cell |
Product Details:
| Cell Size | 18650 |
| Number Of Cells | 4 Cells |
| Color | Black |
| Item Type | Battery Holder |
| Compatibility | 18650 Cell |
| Battery Type | 18650 |
| Overall Dimension | 8 x 7 x 2 cm |
| Weight | 30 gm |
Product Details:
| Cell Size | 18650 |
| Number Of Cells | 3 Cells |
| Holder Type | SMD Type |
| Material | ABS |
| Contact Material | Stainless Steel |
| Color | Black |
| Applicable Battery | 18650 |
| Number of batteries | 3 |
| End Connection | Copper-Nickel plated Terminals |
| Dimensions | 77.1x61.4x14.9MM |
Product Details:
| Cell Configuration | Series or Parallel, depending on wiring |
| Battery Size | AA, AAA, or 18650 Li-ion |
| Number of Cells | 4 (Holds 4 individual cells) |
| Applications | DIY projects, robotics, RC models, solar power systems, and more |
| Material | Typically plastic |
Product Details:
| WiFi Standard | 802.11 b/g/n |
| Frequency Band | 2.4 GHz |
| Module Interface | UART, SPI, GPIO |
| Supply Voltage | 3.3 V |
| Antenna Type | Onboard PCB |
| WiFi Mode | AP + Station |
| Operating Temperature | -40 DegreeC to 85 DegreeC |
| Processor | 32-bit RISC-V CPU (SiFive E24) with FPU, up to 192 MHz |
| Memory | 276 KB RAM, 128 KB ROM |
| Wi-Fi | IEEE 802.11 b/g/n, 20 MHz bandwidth, up to 72.2 Mbps |
| Flash Memory | Default 4 MB, supports up to 16 MB |
The Ai-WB2-12F is a compact Wi-Fi and Bluetooth module developed by Ai-Thinker, designed for low-power Internet of Things (IoT) applications. It integrates the BL602 chip, offering a combination of Wi-Fi 802.11b/g/n and Bluetooth 5.0 (BLE) capabilities. This module is suitable for projects requiring wireless connectivity with low energy consumption.
Product Details:
| Operating Voltage | 2.1V to 3.6V |
| Sensor Model | HTU21D |
| Humidity Accuracy | +-2% RH (Relative Humidity) |
| Temperature Accuracy | +-3 DegreeC |
| Humidity Resolution | 0.04% RH |
| Temperature Resolution | 0.02 DegreeC |
Product Details:
| Display Size | 1–3 inch |
| Display Color | Blue |
| Interface | I2C |
| Module Type | Character |
| Touch Support | Capacitive |
| Resolution | 128x64 pixels |
| Model | Waveshare 1.3" OLED (A) |
| Driver Chip | SH1106 |
| Display Type | OLED (Blue) |
| Pixel Size | 0.21 x 0.21 mm |
The Waveshare 1.3-inch OLED (A) is a compact and versatile display module featuring a 128×64 pixel resolution. It utilizes the SH1106 driver chip and supports multiple communication interfaces, including 3-wire SPI, 4-wire SPI, and I2C, making it compatible with various microcontrollers like Raspberry Pi, Arduino, and STM32. The module operates within a wide temperature range of -30°C to 70°C, ensuring reliability in diverse environments. With its blue OLED display, it offers high contrast and low power consumption, making it ideal for portable and battery-powered applications.
Product Details:
| Part Number | HW-354 |
| Motor Supply Voltage | 2V-9.6V |
| Output Current | 1.5 A |
| Interface | PWM |
| Output Configuration | Half Bridge (2) |
| Motor Type | Brushed DC |
| Motor Type Supported | DC Motors (2 channels) / Stepper Motors (1 channel) |
| Control Type | Bidirectional control with PWM support |
| Operating Voltage (Logic) | 2.7V to 5.5V |
| Operating Voltage (Motor) | 2V to 10V |
| Continuous Current | 1.5A per channel |
| Peak Current | 2A per channel |
The MX1508 Dual H-Bridge DC PWM Stepper Motor Driver is a compact and cost-effective motor driver module designed for controlling DC motors and stepper motors in small robotic and automation projects. It is capable of driving two motors independently or one stepper motor, making it versatile for various applications.
Description:Compact and Efficient Design:Product Details:
| Wavelength | 650nm |
| Type | Laser Diode with PCB |
| Operating Current | Typically 30mA to 60mA |
| Forward Voltage | 1.8V to 2.2V |
| Beam Divergence | 40 Degree to 80 Degree (depends on the lens) |
| PCB Type | Standard printed circuit board with integrated driver circuits |
Product Details:
| Resistance Values | 200 ohm |
| Power Rating | 0.5W (1/2W) |
| Number of Turns | 25 |
| Adjustment Type | Top Adjustment |
| Tolerance | +-10% |
| Temperature Coefficient | +-100ppm/ DegreeC |
| Operating Temperature Range | -55 DegreeC to 150 DegreeC |
Product Details:
| Material | Alloy Steel |
| Voltage | 12V DC |
| Current | 0.8A |
| Power Consumption | 9.6W |
| Unlock Time | ~1 second |
The 12V DC Electric Solenoid Lock is a compact and efficient locking solution commonly used in electronic access control systems. Designed for doors, drawers, cabinets, lockers, and other enclosures, this lock provides a secure and reliable mechanism that can be controlled electronically.
Product Details:
| Model | DM860H |
| Input Voltage | 24-110V DC / 24-80V AC |
| Output Current | 2.4A to 7.2A (Peak) |
| Microstepping | 16 selectable resolutions up to 51,200 steps/rev |
| Pulse Input Frequency | Up to 300 kHz |
| Operating Temperature | 0 DegreeC to 50 DegreeC |
The DM860H is a high-performance digital stepper motor driver designed for precise control of 2-phase and 4-phase bipolar stepper motors. Utilizing advanced pure-sinusoidal current control technology, it ensures smooth, quiet operation and is ideal for applications requiring high torque and speed stability.
Product Details:
| Input Voltage | 9V to 42V DC |
| Output Current | Adjustable from 0.5A to 4.0A (8 levels) |
| Microstepping | 1, 2, 2A, 2B, 4, 8, 16, 32 (selectable via DIP switches) |
| Control Signal | TTL level (3.3V to 24V) |
| Operating Temperature | -10 DegreeC to 50 DegreeC |
The TB6600 Stepper Motor Driver is a robust and versatile controller designed to drive two-phase hybrid stepper motors in various applications, including CNC machines, 3D printers, and robotics. Encased in a semi-enclosed housing, this driver offers enhanced protection against dust and debris, making it suitable for industrial and hobbyist environments.
Product Details:
| Model | B3386P201 |
| Type | Single-turn trimpot |
| Resistance | 200 ohms |
| Tolerance | +-10% |
| Power Rating | 0.5 W (500 mW) |
Product Details:
| No. of keys | 4 keys |
| Key Configuration | 1x4 matrix (4 keys) |
| Connector | 5-pin, 2.54mm pitch female header |
| Operating Voltage | Up to 35V DC |
| Current Rating | 100mA |
| Operating Temperature | -20 DegreeC to 70 DegreeC |
Product Details:
| Type | Motor clamp |
| Material | High-quality plastic |
| Hole Spacing | 16-18 mm |
| Compatible Motor | N20 Micro Gear Motor (commonly 12mm x 10mm body size) |
| Mounting Style | Motor slides in and is held by screws or pressure fit |
| Use Case | Robot chassis, DIY electronics, motorized toys |
Product Details:
| Battery Compatibility | Single-cell 3.7V Li-ion batteries |
| Charging Voltage | 4.2V +-1% |
| Charging Current | 1A |
| Input Voltage | 5V |
| Operating Temperature | -10 DegreeC to +85 DegreeC |
Product Details:
| Module Type | 4-in-1 Dot Matrix Display (4 cascaded LED matrices) |
| Driver IC | MAX7219 |
| Display Type | 8x8 LED dot matrix (4 modules in one board) |
| Number of LEDs | 256 LEDs total (8x8 x 4 = 32x8 pixels) |
| Input Voltage | 5V DC |
Product Details:
| Model | 40A BLHeli ESC with XT60 Connector |
| Input Voltage | 2S-6S LiPo (7.4V-22.2V) |
| Continuous Current | 40A |
| Peak Current | Up to 60A (for short durations) |
| Connector | XT60 for power input, 3.5mm bullet connectors for motor output |
Product Details:
| Gas type | CO2 |
| Sensor type | Gas sensor |
| Operating Voltage | 5V |
| Model | MQ-3 Alcohol Gas Sensor |
| Type | Semiconductor Gas Sensor |
| Sensing Material | Tin Dioxide |
| Target Gases | Alcohol (Ethanol), Benzene, Methane, LPG, CO |
Product Details:
| Type | Piano-style DIP switch |
| Number of Positions | 10 positions (SPST) |
| Actuator Type | Raised piano actuator |
| Contact Finish | Gold |
| Current Rating | 25mA @ 24VDC |
| Voltage Rating | 24VDC |
| Operating Temperature | -40 DegreeC to 85 DegreeC |
Product Details:
| Motor Type | Stepper, DC Motor |
| Max Motor Voltage | 2.7V – 10.8V |
| Max Motor Current | 2 A |
| Control Method | PWM Control |
| Feedback Type | No Feedback |
| Model Series | DRV Series |
| Voltage Rating (V) | 2.7 to 10.8VDC |
| Current Rating (A) | 1.2 to 2 |
| Width (mm) | 18 |
| Height (mm) | 8 |
| Weight (g) | 5 |
| Shipping Weight | 0.01 kg |
| Shipping Dimensions | 9 × 7 × 2 cm |
DRV8833 is a dual H-bridge motor driver IC that can be used for bidirectional control of two brushed DC motors at 2.7 V to 10.8 V. It can supply up to about 1.2 A per channel continuously and can tolerate peak currents up to 2 A per channel for a few seconds, making it an ideal driver for small motors that run on relatively low voltages. The board ships populated with SMD components, including the DRV8833, and adds an FET for reverse battery protection.
The DRV8833 has a higher peak current rating (2 A per channel vs 1.5 A), optional built-in current-limiting, and no need for externally supplied logic voltage.
Product Details:
| Wheelbase | 450mm (distance between opposite motor mounts) |
| Arm Size | 220 x 40mm (Length x Width) |
| Motor Mounting Hole Diameter | 3mm |
| Weight | Approximately 270-330g (without electronics) |
| Mounting Holes | Pre-drilled for easy installation of various components |
Product Details:
| Part Number | B3386P202 |
| Power Rating | 0.5 W (1/2 W) |
| Tolerance | +-10% |
| Resistive Material | Cermet |
| Temperature Coefficient | +-100 ppm/ DegreeC |
| Temperature Range | -55 DegreeC to +125 DegreeC |
Product Details:
| Device Support | universal programmer |
| Programming Socket | ZIF Socket |
| Interface Type | USB |
| Supported Package | DIP |
| Power Source | USB Powered |
| Software Support | Win + Linux + macOS |
| Dimensions | 10 x 6.5 x 2.8 cm |
| Processor | 32-bit MCU, 120MHz |
| Interface | USB 2.0 High-Speed (480MHz) |
| Voltage Control (VCC) | 1.8V to 6.5V, 64 levels adjustable |
| Programming Voltage (VPP) | 9V to 25V, 64 levels adjustable |