TTP223 Touch Switch PinOut Najad 4 years ago TTP223 Touch Switch PinOut Diagram READ MORE Share this: Touch Activated Relay – How toDate27 March 2020In relation toSensorsHow to use a TTP223 based touch switchDate29 June 2019In relation toGetting Started WithTIP120 PinoutDate13 March 2020In relation toPinout