TTP223B Digital Touch Sensor Capacitive touch switch Module DIY for Arduino
$ 0.73
- The module is based on a touch-sensing IC (TTP223B) capacitive touch switch module. In the normal state, the module output low, low power consumption; When a finger touches the corresponding position, the module output high, if not touched for 12 seconds, switch to low-power mode Low power consumption Power supply for 2 ~ 5.5V DC Can replace the traditional touch of a button Four M2 screws positioning holes for easy installation ship by ePacket with tracking number, take 7-17 days. track in the USPS