The CH34X family comprises widely used USB‑to‑serial chips manufactured by WCH (WinChipHead), commonly integrated into generic UNO R3, ESP8266, and ESP32 development boards.
Overview
Build Circuits with Confidence – Complete Electronics Component Kit
The Lonely Binary Electronics Component Kit is your all-in-one solution for Arduino, ESP32, Raspberry Pi, and STM32 development. Whether you’re just starting out or a seasoned prototyper, this kit provides high-quality, lead-free components organized for quick access and portability.
What’s Inside the Kit:
- ✔ 1 × Full-size 830-point breadboard
- ✔ 1 × Type-C power supply module (3.3V / 5V)
- ✔ 120 × Dupont jumper wires (40 male-to-male, 40 male-to-female, 40 female-to-female)
- ✔ 50 × Mixed-color LEDs (red, blue, green, yellow, whit... Read More...

Electronics Components Starter Kit
$19.99
Projects
HC-05 Bluetooth Module and Arduino Beginner Tutorial
This is a basic example to get you start with HC-05 Bluetooth Module. Depending on your specific requirements and the functionality you want, you may need to expand and modify the sketch accordingly.
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