TTP223B Capacitive Touch Sensor is a popular and affordable touch sensing module commonly used in various electronic projects to detect touch or proximity based on capacitance.
Power supply voltage(VCC): 2.0, 3, 5.5 V.
Output high VOH: 0.8VCC V
Output low VOL: 0.3VCC V
Response time (touch mode) : 60 mS
Response time (low power mode) : 220 mS
Can replace the traditional touch of a button
Four M2 screws positioning holes for easy installation