I'm after a Capacitive touch circuit to make a piece of metal into a touch sensor. I've found the following... http://playground.arduino.cc/Main/CapacitiveSensor Which is fine but I need a circuit that doesn't require grounding as its going to be on a portable battery powered torch. Is there a C…

Capacitive Touch circuits?

Topic		Replies	Views
Capacitive sensing and grounding General Guidance	20	13364	May 5, 2021
Capacitive sensor without grounding General Electronics	3	1449	May 6, 2021
switching on a circuit with minimal force. General Guidance	14	1289	May 5, 2021
Capacitive Sensing and Ground Sensors	4	1916	May 6, 2021
Detecting Touch with CapSense General Guidance	8	1636	May 5, 2021