Questions tagged [ir]

Infrared (IR) is a form of light which is not visible to the human eye. It can be used in a variety of applications, including remote controls, data transfer, reflectance sensing, and proximity/motion detection.

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ESP32 IR remote

my board is a firebeetle esp32 that I am using as an IR remote. After using the Ken Shirrif IRremote library for about 6 months successfully, then the time came to change a few things on the web ...
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Converting between NEC and HEX values from IR receiver

I jacked one of the IR receivers from my LED strip and hooked it up to my ESP8266 NodeMCU (running Arduino code). I found a great library called IRremoteESP8266. With this library, I can basically ...
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379 views

Arduino Neopixel affecting IR receiver module

I have tried this on both an Arduino Uno and an Arduino Mega2560. my issue is as follows. Without a 150 LED string of addressable pixels attached, I can pretty consistently capture and read the input ...
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1answer
1k views

A/C doesn't detect IR codes sent from Arduino

I have an IR receiver and an IR LED I got from a kit (I don't have the datasheets for them). I uploaded an Arduino sketch to record my A/Cs IR codes. Those were NEC encoded 32bit integers. After ...
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55 views

Problem with incrementing values of an RGB LED

I'm trying to use a remote control to control the red/green/blue values of an RGB LED using an Arduino Uno. Here's what I've got so far: #include <IRremote.h> #define IRPin 7 #define bluePin 9 #...
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303 views

ESP8266 based wifi IR Universal Remote for A/Cs

I have been working on a prototype for a wifi based universal remote controller and i have been using the IR-Remote library for the same. But i have a couple of questions which google couldn't help ...
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138 views

Unable to send IR command

I am trying to switch the TV on using Arduino. Following is my set of code #include <IRremote.h> IRrecv receiver(2); IRsend sender; decode_results results; long repeatitions; long count; ...
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389 views

Problem with Arduino line follower

I am making a line follower robot. My code is like this #define motI1 10 #define motI2 6 #define motI3 5 #define motI4 3 int left=9; // left sensor int right=1; // right sensor void setup() { ...
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ESP8266 library / function for IR remote control

I am using IRremoteESP8266 for reverse engineering Hitachi AX-M76E mini stereos IR controller. I want to read the signal that the remote sends and send the same hexas to the stereos with IR led. ...
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246 views

Sleep mode Arduino Due through IR receiver control

I need to put my Arduino Due into sleep mode in order to consume less power. My Arduino Due receives IR data and does some work with it, but I need to make it sleep until there is no data. If data ...
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2k views

Why am I not receiving codes from IR receiver over the serial monitor?

I'm using the Keyes Infrared Receiver Module on an Arduino Uno R3 with the IRemote library included and running the IRrecvDemo example sketch included in the library. I wired the IR receiver ...
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120 views

Arduino Record pulseIn

I am currently working on a project which requires me to record IR signals. (I realize there is a library available for doing this but I want to learn how to do this myself). I tried using a simple ...
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475 views

What is the Mark and Space of Ir remote of Airtel?

Can you please tell me to find out Airtel IR Remote Mark and Space coding. I am making a project in which i have to Airtel IR Remote But I do not have decoding style of it. So please help me out. Any ...
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514 views

How do I save IR codes from my LG Air Conditioner remote and replay them?

I am currently using the following code #include <IRremote.h> int RECV_PIN = 11; IRrecv irrecv(RECV_PIN); decode_results results; void setup() { Serial.begin(9600); irrecv.enableIRIn(); // ...
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219 views

Yun - FileSystem.Open prevents client.println from outputting to web page

The below code is meant to display lines stored in a text file to an arduino based web page (it's a IR gate monitoring solution). When I visit I can execute client.println("hello") and I see the ...
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36 views

How do I find which values are corresponding to the changing values from my phototransistor?

I am new to using serial input. I have an IR emitter and a photo transistor hooked up to my Arduino, I am trying to see which values corresponds to the colored object I put over my IR emitter and ...
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275 views

How to fix an IR remote signal

I am using the following code to send an IR signal: #include <IRremote.h> IRsend irsend; void setup() { } void loop() { unsigned int IRsignal[] = {86,88,86,88,174,86,88,88,86,88,86,86,...
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Using arduino as a remote control

I have old Sony amplifier (F117R) and CD player (CDP-590), both equipped with IR remote controls. The problem is that I bought them as vintage without remotes. I have a rough idea how to build ...
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28 views

Arduino and Processing- Conditionals only executing sometimes in response to IR codes

I am reasonably new to arduino and even newer to Processing so still struggle with trouble shooting my code. The intention of my sketch is have Processing receive IR codes from the arduino and ...
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37 views

IRremote library not compiling for Sparkfun RedBoard Artemis

I have an IR Receiver hooked up to digital pin 10 on my Sparkfun RedBoard Artemis and I want to decode IR signals coming from a TV remote. I have the following code: #include <IRremote.h> int ...
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1answer
28 views

Is it support to use Infrared radiation module in ESP12E?

I have a IR module -->image as shown is it possible to use the IR module in esp8266? how to do(sent and receive)? what is the packet format of IR module? please explain. Thanks
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Problem sending IR signal on Arduino Leonardo/Uno (IRRemote library)

I am trying to use my Arduino Leonardo (or Uno!) as a remote with the IRRemote library. The current setup picks up and decodes a signal perfectly, but fails to retransmit it. I have tested the ...
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119 views

Using the Broadcom AFBR-S50 with Arduino

I'm trying to interface with a Broadcom AFBR-S50MV85G ToF sensor over SPI using an Arduino, which is complicated by the fact that the provided library and reference application is written for Cortex ...
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Arduino Setup for RF Transmit and Receive, IR Receive, WS2812 LEDs and a Piezo Speaker

I am new to Arduino and microcontroller in general and just finished one Project (TonUINO - a DIY music box for kids). Now I am planing and working on my next project. A IR shooting range. The guns ...
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26 views

Controlling multiple Screens using IR

I'm a software Engineer, and recently I’ve been working on a new Software Part of this Software is to be able to turn off and on multiple TV screens using timers in the software First idea came to my ...
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34 views

Cannot give battery through USB cable

I just make a simple circuit with uno and breadboard ,that connected 4 LED and 4 IR sensor. The arduino program is simple that makes the light on or off with the determination of IR sensors . However ...
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25 views

Do I have to use Arduino IRRemote libraries?

I have seen some tutorials to build your own IR Remote. But all of them use a library that contains the IR code. The question is, could I just skip, injecting a library and make the Arduino output a ...
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1answer
54 views

Precise On/Off control for IR LED

My goal is to be able to send/receive IR messages in my own custom format and send messages ~10 bytes long. My message object will get serialized down to individual bits, which are transmitted by ...
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1answer
51 views

Problems with Arduino + IR + Raw code low memory

im having a problem with my new project with arduino + ir emitter + big raw codes. I've tryed this way: https://gist.github.com/jjmjr/41ed083c8229d0218c962641c5af27b0 As you can see each of my raw ...
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1answer
203 views

IR sensor not incrementing or decrementing inside the loop

My project is automatic room light controller with visitor counter using Arduino. My project was running correct upto this, but the problem started when we connected GSM module to our project because ...
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1answer
84 views

Separate Timer Instance

I'm trying my best attempt here after failing in Googling the answer, but here goes: I'm trying to get a separate instance to start running in the background when a pin goes HIGH. How should I ...
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1answer
853 views

Error compiling code (tv-b gone)

I have been getting started with the arduino and found a great project online called tv-b gone. It includes some code which I cannot compile. Yes I have included main.h and worldcodes.cpp. /* TV-B-...
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152 views

Question about infrared receiver with metal shell to detect heart pulse rate?

I'm newbie to the world of arduino and environmental sensing. I have been searching for a while about how can I measure the heart pulse rate, I came through the following tutorial: Click Here I ...