Touch User Interface - Touch Screen and Multi Touch: Capacitive touch sensing tutorials
Project 06 - DIY Touch sensor for Arduino under 1$ - YouTube
DIY Touch sensor or Capacitive sensor Switch with Arduino - YouTube
Making Capacitive Touch Sensors With Pencil And Paper | Hackaday
Making a capacitive sensor
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Build a Touch Control Panel | Adafruit Capacitive Touch Sensor Breakouts | Adafruit Learning System
Arduino Tutorial: Capacitive Touch Sensors - Use Arduino for Projects
How to Make Capacitive Touchpads in Fritzing - parts submit - fritzing forum
Buy Cloud Sensor Capacitive Touch Kit For Arduino(5V) DIY Electronic Blocks in Cheap Price on Alibaba.com