Capacitive

Taiss LJC18A3-H-Z/BY Proximity Switch 1-10mm distance measuring Capacitance Proximity Sensor Switch PNP NO（Normally open）DC 6-36V 300mA M18 3-wire

$11.99 $14.99

20PCS 2.5-5.5V TTP223 Capacitive Touch Switch Button Self-Lock/No-Lock Module for Arduino

$6.49

Taiss LJC18A3-H-Z/BX Proximity Switch 1-10mm Sensor Switch Capacitance Proximity Sensor Switch NPN NO（Normally open） DC 6-36V 300mA M18 3-wire

$11.99 $13.99