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KY-036 Metal-touch sensor module as a momentary switch with Arduino

Metal-touch sensor module

A metal touch sensor is a type of switch that only operates when it’s touched by a charged body. It has a high-frequency transistor which can conduct electricity when receiving electromagnetic signals.

Parts Needed

You need to have the following parts

  • Arduino (Any version)
  • 1x KY-036
  • 1x One-Channel Relay module 5V
  • Jumper Wires

For Arduino

Wiring Metal-touch sensor module

PinWiring KY-036 to Arduino
OUTDigital Pin – 2
GNDGND
VCC5V

Wiring Relay

PinWiring relay to the Arduino
SDIgital Pin – 13
GND
+5V

Schematics For Arduino

Assemble all the parts by following the schematics below:

Connect the light lamp to the relay.

Coding Arduino

  • Upload the code to the Arduino.

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