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
- PACK OF 12 MODULES 12 TTP223 touch sensor modules for prototyping, repairs, or multiple projects — suitable for hobbyists, makers, and educators.
- GOLD EDITION ENIG FINISH Immersion gold (ENIG) plating for good conductivity and corrosion resistance. Lead-free, RoHS-compliant manufacturing.
- WIDE VOLTAGE COMPATIBILITY Supports both 3.3V and 5V MCU systems — works with Arduino, Raspberry Pi Pico, ESP32, ESP32-S3, and other microcontroller projects.
- CAPACITIVE TOUCH SENSITIVITY Single-channel TTP223 IC for touch detection — replaces mechanical buttons in IoT devices, smart switches, lamps, and interactive electronics.
- EASY INTEGRATION Compact size with clear pinouts (VCC, GND, I/O) and low power consumption for DIY applications.
12-Pack TTP223 Capacitive Touch Sensor
$17.99
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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