Hi Rithesh,Please refer the | Projects › Projects › Connecting a touch switch to a home lock › Hi Rithesh,Please refer the August 5, 2013 at 4:58 am #10271 AJISH ALFREDParticipant Hi Rithesh, Please refer the link engineersgarage.com/electronic-circuits/touch-switch Since the lock it is a metal thing you can simply use the lock itself as a touch plate
