Touch Switch Module TTP223

From the shop's description

Description: This module is capacitive type jog mode touch switch module that is based on a touch detection IC (TTP223B). Allows you to remove the worry of conventional push-type keys. Specifications: 1.Touch surface size: 1.4 * 1.4cm 2.Modes: jog, self-locking 3.Supply voltage: 2.5-5.5V 4.Penetration distance: about 5mm (non-metallic) 5.Compatible with all types of single chip 6.This is suitable for all kinds of control system, robot, intelligent vehicle, etc.