This project will test Infrared obstacle avoidance sensor. When an obstacle is blocks infrared sensor, it will turn on LED in the circuit.
Step 1: connect Infrared obstacle sensor to Arduin as per following graph:
Step 2:Download sample code and load it into Arduino IDE.
Step 3:Run the code and you will see result same as following video.
DownLoad Url osoyoo.com
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What is the purpose of the 2 variable resisters?
these two variable resisters are used to adjust the sensitivity of the sensor(left screw adjusts IR remitter, right one adjusts IR receiver).