Battery capacity and voltage indicator module for charge level monitoring.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Ball caster wheel support for balancing small robot chassis platforms.

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

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

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

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

Dual MOSFET digital timer relay module for programmable 12V/24V load control.

Raspberry Pi 5 with 2GB RAM for modern single-board computing tasks.

5-meter GT2 timing belt, 6mm width, for motion systems and printer mechanics.