Questions tagged [infrared]
Infrared radiation (IR), sometimes called infrared light, is electromagnetic radiation (EMR) with wavelengths longer than those of visible light. It is therefore generally invisible to the human eye.
41 questions
1 vote
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367 views
Uno: Infrared Transmitter Module Not Transmitting
I purchased https://www.jaycar.co.nz/medias/sys_master/images/images/9677365510174/XC4426-dataSheetMain.pdf, which seems identical to https://arduinomodules.info/ky-005-infrared-transmitter-sensor-...
1 vote
1 answer
236 views
memory leak w/ no Strings involved
I'm trying to read data being transferred via Infrared from my Smartmeter on my ESP8266 using the following sketch: #include <ESP8266WiFi.h> #include <ESP8266WebServer.h> #include <...
0 votes
1 answer
367 views
Why is the IR transmitter tied to one pin
I'm using IRremote.h (https://github.com/Arduino-IRremote/Arduino-IRremote). The receiver allows you to change the pin it is connected to but the transmitter does not. Is there any reason why this ...
2 votes
0 answers
65 views
Infrared Reciver doesn't work properly after the first signal
i'm trying to play a passive buzzer with an IR reciver My Code #include <IRremote.h> IRrecv irrecv(10); decode_results results; void setup() { // put your setup code here, to run once: ...
1 vote
0 answers
82 views
Infared: some controllers send code into infinite loop
I have a piece of code that captures input from infrared and spits it out to the serial port. When I use it with a simple controller that comes with a typical kit, it receives the infrared code just ...
1 vote
0 answers
396 views
IRremote sending only works once with Arduino Nano
I am trying to control a receiver, wich is not working. I believe i have to send the code at least three times... but after the first time the IR Led stays off. I am using the Arduino Nano with the ...
2 votes
1 answer
270 views
Unable to control fan with IR circuit despite capturing and reproducing the IR transmissions
I'm trying to use an Arduino to control my Bionaire window fan. I followed several guides to build an IR receiver circuit to record the patterns sent by the remote for its five buttons . From there, I'...
-1 votes
1 answer
89 views
arduino parking lot
I want to make a project where there is a parking lot and a ir sensor which senses when a car comes and displays a message on lcd saying to insert a rfid card and then it opens a gate and there are ...
1 vote
1 answer
251 views
What can I do to optimise this code?
I have optimised it as much as I feel I can and want to know what suggestions you have that could make it more efficient etc. Note: I know the array goes on forever :) volatile uint16_t IRCode[]={340,...
1 vote
0 answers
80 views
Arduino 2 times slower? Broken?
Hello I have been here for a couple hours troubleshooting code and turns out it wasn't even my code that was the problem. My arduino uno is like 2 times slower than what its supposed to be. If I blink ...
0 votes
1 answer
122 views
Infrared Low Frequency Transmission
I have some basic code that I will soon expand for my project which is a universal remote for air conditioners. I have all of the codes but the problem is 3 of the codes are below 1khz. (500hz). My ...
0 votes
1 answer
44 views
trying to switch input on my speakers via infrared using web browser but i have issue getting it working
ived tested the IR code with https://github.com/wemos/D1_mini_Examples/blob/master/examples/04.Shields/IR_Controller_Shield/IRsend/IRsend.ino and it works that way, but when i try to code it ...
1 vote
1 answer
94 views
IR signal: different libs, different bit/byte ordering?
For IR sender at Nano Every (ATMega4809-based) I am using infrared4arduino to send simple remote control codes. I am double-checking those with a Nano-based receiver with IRrecvDumpV2 example from ...
2 votes
2 answers
3k views
Which one is IR led?
I've ever been so confused in my life. I'm new to Arduino and electronics but I just can't figure it out which diode is IR transmitter/receiver or even if it is IR. I know that IR is not visible to ...
0 votes
1 answer
173 views
Extract binary numbers from infrared sensor that uses I2C bus
I have an infrared sensor(OTI 301) which in order to display the desired temperature I need to apply a formula that depends on 3 binary numbers extracted from the sensor itself. I have tried different ...