How to connect the TTP223 touch sensor with ESP32 to control relays. explained the circuit and source code in detail. How to connect the TTP223 touch sensor with ESP32 to control relays. explained the ...

This project demonstrates a smart relay system that can be controlled using the Blynk mobile app. The relay can be operated based on inputs from a proximity sensor (infrared sensor) and a clap (sound ...

The following guide provides a review of the types of proximity sensors for prolonged detection, followed by a look at capacitive sensing design specifically for occupancy-type solutions. A variety of ...

The purpose of this circuit is to animate shop-windows by means of a capacitive sensor placed behind a post-card-like banner. The card is placed against the glass inside the shop-window, and the ...