Overview
Things
Story

HELLO
TO START
BUILD IT

Published October 29, 2021 © GPL3+

LED project (With motion detector)

This project is developed to learn how to use LEDs on arduino with a motion detector.

IntermediateFull instructions provided721

Things used in this project

Hardware components

Arduino Mega 2560

LED (generic)

LED(RGB)

PIR Motion Sensor (generic)

Resistor 220 ohm

Jumper wires (generic)

Solderless Breadboard Full Size

Male/Female Jumper Wires

Software apps and online services

Arduino IDE

Story

HELLO

This project was created to teach you how to use LEDs and a motion detector.

You can use an arduino mega2560 R3 or an arduino uno, you can choose different colours of LEDs.

It is recommended to use a 220 ohm resistor or a 100 ohm resistor.

If you have any questions, ask me in the comments.

TO START

Go to the arduino website to install the Arduino IDE.

https://www.arduino.cc/en/Main/Software

Connect your arduino to your computer

BUILD IT

Connect each component to the location shown on the diagram.

(On an LED, the shortest branch represents the negative and the longest branch represents the positive).

WARNING!!! The motion sensor connections are not the same on all sensors

(remove the white part of the sensor to see the inscriptions VCC, GND and OUT )

Code

CODE

#define IR_output 7
void setup() {
 pinMode(IR_output,INPUT);
 pinMode(9, OUTPUT);
 pinMode(10, OUTPUT);
 pinMode(11, OUTPUT);
 pinMode(5, OUTPUT);
 pinMode(2, OUTPUT);
Serial.begin(9600);
}

void loop() {
  if(digitalRead(IR_output)==HIGH){
    Serial.println("detected");
   digitalWrite(10, LOW);
   digitalWrite(5, LOW);
   digitalWrite(9, HIGH);
   digitalWrite(2, HIGH);
  delay(200);
   
  }
  if(digitalRead(IR_output)==LOW){
    Serial.println("no detected");
   digitalWrite(10, HIGH);
   digitalWrite(5, HIGH);
   digitalWrite(9, LOW);
   digitalWrite(2, LOW);
   delay(200);
  }

}

Credits

bichon5962

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LED project (With motion detector)