Description
The Red Touch Module, commonly based on the TTP223 capacitive touch sensor IC, is a small, low-cost module that detects human touch on its surface. When touched, the sensor changes its digital output (HIGH/LOW), making it an excellent replacement for mechanical push buttons.
This module is widely used in DIY electronics, IoT, and embedded projects because of its reliability, durability (no mechanical wear), and ease of use. It works directly with 3.3V and 5V logic levels, making it compatible with Arduino, ESP8266, ESP32, and Raspberry Pi.
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