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
The Lonely Binary UNO R3 Black Gold Edition has a stunning black PCB with a lead-free immersion gold finish, blending premium looks with safety for kids and STEM learning. It’s not just stylish—it’s built for serious prototyping, learning, and STEM exploration.
This lead-free, RoHS-compliant development board is ideal for students, educators, and electronics enthusiasts. Fully compatible with Arduino IDE and designed to work seamlessly with most existing shields and accessories.
Perfect for personal projects or as a standout gift for any electronics enthusiast, the Lonely Binary UNO R3 Gold Edition makes learning and building beautiful.
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UNO R3 Gold Edition
$9.00
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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Mini MP3 Player Module
$5.00 USD
Mini Rectangle Speaker
$12.00 USD