Circuit Diagram
First ,connect Arduino 5V to Bread board + and Gnd to -
Connect the VCC pin of the IR sensor to Bread board +
Connect the GND pin of the IR sensor to Bread board -
Connect the OUT pin of the IR sensor to digital pin 2 on the Arduino.
Connect the VCC pin of Relay to Bread board +
Connect the GND pin of Relay to Bread board -
Connect the pin IN pin of Relay to digital pin13 on the Arduino.
Download the code here;https://github.com/passion-tech/Hello...
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