Obstacle Detection Using IR Sensor

IR sensor is used to detect objects. When an object is near the sensor, and led turns ON.

Jun 28, 2021

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ir-sensor

led

obstacle-detector

Devices & Components

Arduino Uno Rev3

IR Transceiver (Generic)

5 mm LED: Red

Capacitor 100 µF

Jumper wires (generic)

Project description

Code

c_cpp

Here is the project code

1int analogInPin = A0;  // Analog input pin that the potentiometer is attached  to
2 
3int led =10;
4int sensorValue = 0;        // value read from the pot
5  
6void setup() {
7  // initialize serial communications at 9600 bps:
8  Serial.begin(9600);
9  pinMode(led, OUTPUT);
10}
11 
12void loop() {
13  // read the analog in value:
14  sensorValue = analogRead(analogInPin);
15  Serial.print("sensor = " );
16  Serial.println(sensorValue);
17 
18  delay(200);
19  
20  if(sensorValue<80)
21  {
22    digitalWrite(led,HIGH);
23  }
24  else
25  {
26    digitalWrite(led,LOW);
27  }
28}
29

int analogInPin = A0;  // Analog input pin that the potentiometer is attached  to
 
int led =10;
int sensorValue = 0;        // value read from the pot
  
void setup() {
  // initialize serial communications at 9600 bps:
  Serial.begin(9600);
  pinMode(led, OUTPUT);
}
 
void loop() {
  // read the analog in value:
  sensorValue = analogRead(analogInPin);
  Serial.print("sensor = " );
  Serial.println(sensorValue);
 
  delay(200);
  
  if(sensorValue<80)
  {
    digitalWrite(led,HIGH);
  }
  else
  {
    digitalWrite(led,LOW);
  }
}

Documentation

Pin Diagram

Here project pin diagram

Pin Diagram

Here project pin diagram

Pin Diagram

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