Even though the circuit uses smd components, construction of the touch sensor switch is not very hard because the whole circuit can be easily fabricated on a piece of smd prototyping board. At the ...

The TTP223 is a capacitive touch button, which means it does not have moving parts like a regular button. You can activate it by just touching 🖐️ the sensing area regardless of the applied pressure.

Alternatively, you can use a ready-made capacitive sensor module, such as the TTP223 touch sensor, which has a built-in oscillator and output pin. Add your perspective Help others by sharing more ...

Components Required Arduino Uno or Nano 16x2 LCD Display (with I2C module for easier wiring) Touch Sensor (e.g., TTP223) Jumper Wires Breadboard (optional) Wiring Connections LCD Display (I2C) VCC -> ...