Beside VCC and GND pin, the sensor has only one output pin that should be connected to one of digital pins of the Arduino. IR light is invisible to us as its wavelength is much higher than the visible light range. Arduino code Step: 01 Introduction to IR proximity Sensor Module The Infrared (IR) Sensor has infrared Transmitter and Receiver.It can be used in many ways.There are many applications of IR module. The basic function of this emitter LED is to convert electricity into light. The color of the IR LED is white or transparent, so it can give out the maximum amount of light. An IR LED is a light-emitting diode that emits light in the range of Infrared frequency. The light-emitting angle of an IR LED is approximately 20-60 degree and the range is around a few centimeters to several feet. It has a quite good response as it gives 0 to 5v the range of 0 to 1024 so we can adjust our threshold in between this range. In this case it’s connected to pin 13. Also Read: What is Arduino Micro-controller? Connect the signal pin on the IR sensor to pin 8 on the Arduino. Setting up IR sensor connection to Arduino is very simple. It is mostly used for robot obstacle avoidance, obstacle avoidance car, line count and black and white line tracking. IR Sensor module is used with Arduino to detect infrared radiations that are not visible to the human eye. The connections for the IR sensor with the Arduino are as follows: Connect the negative wire on the IR sensor to GND on the Arduino. About this project. If playback doesn't begin shortly, try restarting your device. I tried to demonstrate both IR sensor module and raw IR sensor setup. int IRSensor = 2; // connect ir sensor to arduino pin 2 int LED = 13; // conect Led to arduino pin 13 void setup {pinMode (IRSensor, INPUT); // sensor pin INPUT pinMode (LED, OUTPUT); // Led pin OUTPUT } void loop {int statusSensor = digitalRead (IRSensor); if (statusSensor == 1) digitalWrite (LED, LOW); // LED LOW } else {digitalWrite (LED, HIGH); // LED High }} Connect the middle of the IR sensor which is the VCC to 5V on the Arduino. And How to Learn Arduino

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