There is lots of info on the internet, and on youtube, on hooking these up and how to control its behavior with the A and B jumpers.
Pins: GND, I/O, VCC
Power Supply: 2.5V~5.5V
Dimensions: 15*11mm(approx)
Color: Red(as pictures show)
With the A and B jumpers you can control:
whether the output is high when pressed, or low when pressed
Self-locking: touch ON, touch again, OFF
Single touch: ON when touched, OFF when not touched
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