User Guide

Determining IR Codes
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ThecodebelowwillhelpyoudeterminethevaluesforthesignalsbeingsentfromanIRremote
control.NotethatthecodedoesnotworkforallIRremotesandmayneedtobecustomized.
Copyandpasteallofthecode(initalics)belowintotheArduinowindow(asanew“sketch”).
NotethatthiscodewillonlyworkifyouhavetheIRemotelibrarysuccessfullyinstalled(see
instructionsabove).
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#include<IRremote.h>
#include<IRremoteInt.h>
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IRrecvirrecv(9);//digitalpin9ontheshieldispermanentlyconnectedtotheIRreceiver
decode_resultsresults;
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voidsetup()
{
Serial.begin(9600); //Thisdeterminesthebaudrate
irrecv.enableIRIn();//Enablethereceiver
}
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voidloop()
{
if(irrecv.decode(&results))
{
 Serial.println(results.value,DEC);//alternativelyuseHEXratherthanDEC 
 irrecv.resume();//Receivethenextvalue
}
}
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Onceyouhaveverifiedanduploadedthecode,opentheserialterminalwithintheArduinoIDE,
keepingtheArduinoconnectedtothecomputer.CovertheIRreceiverwithyourhandfromall
sidesexcepttheonewiththeroundpartwhichfacesoutwards(tolimitIRinterferencefrom
lights,sunandothersources).AimyourIRremoteatthereceiverandpressonebutton.You
shouldseeavalueappearintheserialterminalwindowonlywhenyoupressabutton.Pressthe
buttonafewtimestoensureit’sthecorrectvalue,andtakenoteofitinafile(thebutton,andthe
correspondingcode).
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 
RobotShopInc.www.RobotShop.com
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