DEVMO 2PCS Digital Touch Sensor Capacitive Switch TTP223 Module Compatible with Arduino PIC DIY TTP223B US

★This capacitive touch switch module uses a TTP223B touch-sensing IC. In the normal state, the module output is low, with very low power consumption. When a finger touches the module's touch pad, the output is high. If it is not touched for 12 seconds, it switches to low-power mode, ★Can replace the traditional touch of a button, ★2 ~ 5.5V Input DC Vcc Power, ★Four M2 screw holes for easy installation, ★Package Includes: 2pcs Touch Sensor Board