How to make TOUCH switch one pin touch ON OFF switch, diy idea - YouTube
How Touch Buttons work
Digital Touch Sensor capacitive touch switch module DIY for Arduino | eBay
10PCS Capacitive Touch Switch Button RGB LED Sensor Module HTTM DIY Electronic Board Multi Color Anti interference 2.7V 6V|module switch|red switchp p - AliExpress
How to make a capacitive touch sensor switch out of anything metal using an Arduino - YouTube
TTP223 Touch Switch PinOut » DIY Usthad
ADD Capacitive Touch Switch to Your Projects : 7 Steps - Instructables
SunRobotics TOUCH SWITCH 4 WAY CAPACITIVE MODULE TTP224 Best for DIY Home Automation IOT/Touch Sensor Project Adruino : Amazon.in: Computers & Accessories