Arduino_KY-036_Metal_touch_sensor_module

Arduino KY-036 Metal touch sensor module

Module has a power led and a led indicating touch of metal.
A0 seems to contain some analog out signal also to indicate if metal is touched.

Module contains a variable resistor (sensitivity?)

Connect

• D0          Arduino Pin 3
• +            +5V
• GND       GND
• A0          (not connected / Analog signal) 

Function

If metal wire over the transistor is touched Arduino led (pin13) is switched on

More info

• https://tkkrlab.nl/wiki/Arduino_KY-036_Metal_touch_sensor_module
• https://rydepier.wordpress.com/2015/10/15/metal-touch-sensor-ky036/