IR emit raw codes

Updated on 31 August 2021

dev board Arduino UNO

sensor infrared

features infrared IR emit raw

This tutorial is more than 1 year old. If the steps below do not work, then please check the latest versions and the documentations of the individual tools used.

Before starting

Dependancies

Ensure the following dependancies are downloaded and available:

IRLib2 and compatible hardware

Pre-requisites

Try these simpler or similar examples:

Buy the components

Arduino UNO R3

Code

Download code ir-raw-emit.ino

#include <IRLibSendBase.h>
#include <IRLib_HashRaw.h>
#include "./data.h"

IRsendRaw mySender;

void setup() {
  Serial.begin(9600);
}

void loop() {
  delay(5000);
  Serial.println("Sending ON");
  mySender.send(rawDataON, RAW_DATA_LEN, 38);
  Serial.println("Sent Turn ON Aircon");

  delay(5000);
  Serial.println("Sending OFF");
  mySender.send(rawDataOFF, RAW_DATA_LEN, 38);
  Serial.println("Sent Turn OFF Aircon");
}

Makefile

BOARD?=arduino:avr:uno
PORT?=/dev/cu.usbmodem14*

.PHONY: default lint all flash clean

default: lint all flash clean

lint:
	cpplint --extensions=ino --filter=-legal/copyright *.ino

all:
	arduino-cli compile --fqbn $(BOARD) ./

flash:
	arduino-cli upload -p $(PORT) --fqbn $(BOARD)

clean:
	rm -r build

Prototype

A photo of the actual setup.

Schematic

Wire up the hardware accordingly

Description

This code takes in a raw dump of IR and emits it. This is useful when IR protocols are not defined for example, Mitsubishi Air conditioner model MSY-GE10VA. The file data.h has the list of raw dumps.