Questions tagged [infrared]

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Is it possible to use a IR proximity sensor as a dust optical sensor? [migrated]

I'm doing an automatized-ish windshield wiper project, which requires some kind of dust sensor. I have an IR proximity sensor and I could only find people using it for rain detection on windshields. ...
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2answers
30 views

Follow black and white line simultaneously

I have a line following bot which uses IR sensors (LSA08, more specifically) to detect the white line on black surface and stay on track. For the project however, there is a trick in the track. At a ...
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49 views

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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2answers
51 views

Memory size issue with the struct

I am working on a project where I have to build an IR program that works with all of the AVR/Arduino boards to control the IR devices such as TV, DVD, etc. I am building a struct that can carry the ...
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1answer
24 views

Increasing distance of IR remote / transmitter

I am trying to set up my Arduino as a replacement remote control. The setup works and I can use it to turn on/off my things, for example my fan. However, the working distance is quite short. Around a ...
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1answer
40 views

Distinguishing between multiple Infra Red Transmitters [closed]

I am working on an Arduino project where I use an infra red camera along with 4 transmitters placed each on a corner of a square platform to park a robot perfectly on this platform. However, it is ...
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17 views

Problems with infrared call and response using IRremote library

I am assisting a local artist with animation and sequencing for a kinetic sculptures display. Basically, one sculpture will send a IR signal to the other and then that sculpture will perform some ...
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2answers
80 views

Problems when racing multiple IR controlled Arduino robots

We are attempting to race 3 IR-controlled Arduino robots (Elegoo IR kit), but the IR signal from each remote seems to be picked up by all three receivers. It is possible to create a unique bond ...
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2answers
81 views

How does input from IR receiver to Arduino UNO board work?

I have a very simple circuit with an Elegoo IR receiver module connected to an Arduino UNO. The three wires are connected correctly with the data wire (Y) connected to pin 8. The code works fine, as ...
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2answers
172 views

Distance measuring utilizing (1 or 2) Arduino Nano's

I would like to develop a small-distance measuring device that will be primarily used in indoor scenarios to measure a distance with cm accuracy (mm if possible). The device would be in a small form ...
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0answers
80 views

Teensy freezing when reading ir sensor

I have a teensy that controls a motor and reads from a ir sensor, GP2Y0E02b. The issue i run into is that at random times the teensy seems to freeze, the main code stops printing but the interrupt ...
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1answer
70 views

Turn infrared LED on and off in order to simulate an infrared signal

Note I am able to send and recieve IR signals. This question is only for purposes of learning. When using the existing library #include <IRremote.h> it is very simple to read and transmit ...
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1answer
83 views

how to increase the range of KY-005? [closed]

I am using a KY-005 with an Arduino Uno. I have the knowledge that Arduino can provide a forward current of 40 mA. How can I make it to 55 mA or above upto 60 mA to unlock its full potential, so as to ...
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1answer
77 views

Making simple on/off IR servo movement.

I'm new to Arduinos and programming. I'm getting into a project and one of my tasks was to learn how to incorporate servos into Arduino and learn about sensors. I wanted to combine both, but I'm ...
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1answer
478 views

How to send IR data from Arduino to USB-TTL

I have a led receiver KY-022 and led emitter KY-005, I also have a PL2303 (USB-TTL). This is the code of the issuing LED: #include <IRremote.h> IRsend irsend; void setup() { Serial.begin(9600)...
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1answer
703 views

how to send data to 15 meters with KY-005

I am using the LED KY-005 as emitter and the KY-022 as a receiver, according to their specifications they reach 18 meters. I have performed the tests and it supports more than ten meters, however ...
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1answer
41 views

Infrared receiver gives only zeroes for results [closed]

I bought a 37 in 1 sensor kit from Aliexpress. Now am trying to use the infrared receiver with a TV commander. My problem is that it returns as result only zeroes. The wiring is right. The code is ...
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144 views

Send IR success but doesn't turn on the TV

My circuit is simple: IR sensor (from left to right): PIN 11, GND, 5V IR transmitter: GND, PIN 1 (via resistor). (BTW: all of the tutorials I read says that the PIN should be 3 but from some reason ...
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1answer
132 views

Infrared frequency recorded with saleae [closed]

i'm trying to decode infrared signal recorded with the saleae. It makes me wonder why saleae shows so low values for the frequencies from 0.1kHz to 0.8kHz. I found that standard for the IR is around ...
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2answers
231 views

Arduino millis() fuction execution problem

I am new to Arduino development. I want to use millis function instead of delay because delay is blocking further execution of program. Program description: In this code I want to control 2 solenoid ...
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1answer
101 views

Arduino emits signal A (infrared) but another Arduino receives everything but A (IR-LED problem)

Situation: I was trying to make a simple Arduino program that mimics my TV-Remote ON-OFF button. Diagnosis: It just won't work. So just to check I grabbed another Arduino (2) and added my IR-Sensor ...
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1answer
1k views

How many Infrared sensor modules can be added to a single Arduino (eg;Uno)

I am looking to add block detection to my model railroad. I need approx. 40 infrared sensors to power 40 LED's on my control panel. No signals or other logic required yet, just the LED indications -...
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1answer
311 views

Simulate V1838B IR LED output

I have a HDMI switcher which uses a TL1338 IR LED that's connected via a 3.5mm audio jack. It has its own remote for switching between the inputs, but I want to use my TV remote. In order to do that ...
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1answer
345 views

Unknown type name 'IRsend'

In the C file in simplesample_mqtt.c, which connects Arduino to the Azure IoT hub, I need to use the IRsend and IrRemoteESP8266 libraries to send an infrared signal with Azure IoT hub. #include <...
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2answers
250 views

Infinite “while” statement

I am building a robot that is both obstacle-avoiding and remote-controlled. The robot uses an infrared remote. When the front button is pressed the robot moves front, when the right button is pressed ...
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0answers
42 views

Arduino - IR firing problem

I am trying to build a mobile application which will be capable of firing different channels via Bluetooth HC-05 and Arduino UNO. We are getting IR codes from Android to Arduino through Bluetooth and ...
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2answers
143 views

Arduino Human Infrared Sensor

I started out again with Arduino (beginner), but I wanted to know if I could connect another human infrared sensor like this to the Arduino Uno. I know how to connect a simple pir like this one, but I ...
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165 views

IR remote heater

I am having issues to reproduce the remote control of my heater , this is the dump of one button: Encoding : UNKNOWN Code : A32AB931 (32 bits) Timing[23]: +1300, - 400 +1250, - 450 ...
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1answer
429 views

Figuring out IR sensor PWM frequency with Arduino

I'm trying to verify the pulse width of an IR receiver I "borrowed" from one of those cheap RGB controllers (like thisone) with an arduino nano. But the data I'm getting right now is about 3.4KHz and ...
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1answer
890 views

Reading Infrared raw data

I'm trying to understand a few things about this code. Why is digitalRead() slower than IRpin_PIN & (1 << IRpin)? What does IRpin_PIN & (1 << IRpin) mean? I translated it to ...