A capacitive touch sensor module based on the dedicated TTP223 touch sensor IC. The module provides a single integrated touch sensing area of 11 x 10.5mm with a sensor range of ~5mm. An on-board LED will give a visual indication of when the sensor is triggered. When triggered the modules output will switch from its idle low state to high (default operation). Solder jumpers allow for reconfiguring its mode of operation to be either active low or toggle output.
3.Trigger setting mode:(1->Short;0->No Short)
AB=00:No-lock High TTL level output;
AB=01:Self-lock High TTL level output;
AB=10:No-lock Low TTL level output;
AB=11:Self-lock Low TTL level output;
1 x 2.5-5.5V TTP223 Capacitive Touch Switch Button Self-Lock Module For Arduino