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 ESP32 Expansion Board is your ultimate companion for effortless and efficient prototyping. Specifically designed to accommodate the ESP32 38-Pin Development Module, this expansion board streamlines your project setup, enabling you to focus on innovation.
Compatibility: Perfectly tailored for the ESP32 38-Pin Development Module.
Versatile Power Options:
- 7-9V input via DC jack
- microUSB connector
- USB C connector
Convenient Connectivity: All pins are paired with VCC and GND rails, simplifying connections to sensors and other components.
Reliable Power Regulation: Equipped with an on-board 5V 1A regulator to ensure stable power delivery to your projects.
Whether you're a hobbyist or a professional, the Lonely Binary ESP32 Expansion Board makes prototyping with the ESP32 easier and more efficient than ever. Elevate your proje...
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What’s in the Box
- 1 x Expansion Board for ESP32 38Pins
- (ESP32 is not included)

ESP32 Expansion Board
$12.99
Tutorial
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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