USB adapter for ESP8266 modules to simplify power and serial programming.

Medium-size solderless breadboard for reusable circuit prototyping and testing.

Electret microphone amplifier module (MAX4466) with adjustable gain for audio input.

3S lithium battery protection board rated 8A for compact battery packs.

Ball caster wheel support for balancing small robot chassis platforms.

ULN2003 driver board for controlling 28BYJ-48 and similar stepper motors.

BLTouch auto bed leveling sensor for improving 3D printer first-layer accuracy.

Mini 6V solar panel (105x66mm) for charging and low-power solar projects.

Mini 4.5V solar panel (60x60mm) for small renewable energy experiments.

Compact GPS shield module based on NEO-7M for location and timing applications.

USB to RS485 converter with CH340G chip for industrial serial communication.

8-channel IR sensor array for line-following and track detection robots.

Single-phase AC current sensor module with 5A range for current monitoring projects.

TTL to RS485 transceiver module based on MAX485 for long-distance serial communication.

12-bit I2C DAC module (MCP4725) for digital-to-analog voltage output.

Dual H-bridge motor driver (TB6612) for controlling two DC motors efficiently.

Dual-input ESD grounding terminal for static discharge protection in workstations.

12V submersible DC water pump for circulation and liquid transfer tasks.

5V 2A wireless charging module for Qi-style power transfer applications.

Breakout adapter board for ESP8266 ESP-01 module easier wiring and power access.

Battery capacity and voltage indicator module for charge level monitoring.

Capacitive touch sensor module with digital output for touch-enabled controls.

I2C multiplexer (TCA9548A) for connecting multiple devices with same I2C address.

ESP-01 Wi-Fi module package configured for DS18B20 temperature sensing projects.