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
- Massive 4" Jumbo Size Visibility Extra-large 100mm+ character height for easy reading from afar – ideal for scoreboards, large clocks, timers, counters, temperature displays, or event signage
- Integrated Driver PCB Simplifies 12V Drive Custom back board handles high-voltage 12V segments while accepting 3.3V or 5V MCU logic – just connect power (12V + 5V/3.3V) and send serial data
- Chainable Click-On Design Modules snap together effortlessly – daisy-chain multiple units using only 3 GPIO pins (data, clock, latch) for multi-digit displays without extra wiring hassle
- Plug-and-Play Convenience No complex transistor arrays or high-current drivers needed – perfect for Arduino, ESP32-S3, Raspberry Pi Pico, STM32, and other microcontrollers
- Easy Coding & Tutorials Simple serial interface with provided GitHub code examples, libraries, and step-by-step tutor... Read More...
4" 7-Segment LED Display with 74HC595
$53.00
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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