Simple IR Remote Project || Arduino IR Project for Beginners
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| circuit diagram for setting up ir receiver |
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| circuit diagram to control LEDs using IR remote |
#include <IRremote.h>
int RECV_PIN = 10; // the pin where you connect the output pin of sensor
int led1 = 2;
int led2 = 4;
int led3 = 7;
int itsONled[] = {0,0,0,0};
/* the initial state of LEDs is OFF (zero)
the first zero must remain zero but you can
change the others to 1's if you want a certain
led to light when the board is powered */
#define code1 16724175 // code received from button no. 1
#define code2 16718055 // code received from button no. 2
#define code3 16743045 // code received from button no. 3
IRrecv irrecv(RECV_PIN);
decode_results results;
void setup()
{
Serial.begin(9600); // you can ommit this line
irrecv.enableIRIn(); // Start the receiver
pinMode(led1, OUTPUT);
pinMode(led2, OUTPUT);
pinMode(led3, OUTPUT);
}
void loop() {
if (irrecv.decode(&results)) {
unsigned int value = results.value;
switch(value) {
case code1:
if(itsONled[1] == 1) { // if first led is on then
digitalWrite(led1, LOW); // turn it off when button is pressed
itsONled[1] = 0; // and set its state as off
} else { // else if first led is off
digitalWrite(led1, HIGH);
// turn it on when the button is pressed
itsONled[1] = 1; // and set its state as on
}
break;
case code2:
if(itsONled[2] == 1) {
digitalWrite(led2, LOW);
itsONled[2] = 0;
} else {
digitalWrite(led2, HIGH);
itsONled[2] = 1;
}
break;
case code3:
if(itsONled[3] == 1) {
digitalWrite(led3, LOW);
itsONled[3] = 0;
} else {
digitalWrite(led3, HIGH);
itsONled[3] = 1;
}
break;
}
Serial.println(value); // you can ommit this line
irrecv.resume(); // Receive the next value
}
}
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