TTP229 16 Channel Capacitive Touch Module Potentiometer Also check

Also check

Operation is less noisy

Supports 20-29 AWG wires

The initial current limitation can be accomplished by a constant-current regulator

TTP229 16 Channel Capacitive Touch Module Potentiometer Also checkTTP229 16 Channel Capacitive Touch Module This is TTP229 16 Way Capacitive Touch Switch Digital Touch Sensor Keypad Module. This capacitive touch sensor module uses the TTP229 integrated circuit, making it easy to add capacitive touch input to your project. It features 16 sensitive touchpads that make an ideal replacement for the old fashioned keypads. Capacitive touch allows electronics to sense when your finger is within a few millimeters of a