Questions tagged [infrared]
IR is electromagnetic radiation with wavelengths from about 750 nm to 1000 µm, which is beyond the nominal red edge of the visible spectrum.
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IR Blaster Resistor Calculation for IR LED (breaking ohm's law?)
We are trying to build IR Blaster based on schematics provided by Tuya. I believe Tuya based IR blasters sells hundred of thousands per month if not millions. So I am quite sure that their schematics ...
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Cannot decode IR signals using IRRemote Library
I'm using RC5 encoding for my project.
I'm sending signals using RC5 Protocol. The transmitter is sending the signals correctly.
But on the receiver node, when I decode the signals, Library is unable ...
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Modifying modulation parameters in RC5 [closed]
I am a computer science student working on a research project that uses IRRemote library for IR communication.
I'm using RC5 modulation and the system is working. However, for the next part of this ...
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What's this damaged 3-pin rectangular power connctor on a FLIR thermal camera?
I'm hoping this is a standard-ish connector but I have my doubts.
It's the 12V power line that plugs into the battery or charging dock of a FLIR T335/T365.
Measuring the undamaged part the overall ...
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IR pulse sensor : signal stops after a few pulses
I'm trying to make a pulse sensor based on this tutorial: https://makezine.com/projects/ir-pulse-sensor/.
I therefore reproduced this diagram by replacing the LM354s with MCP6002s and without ...
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How does this IR detector work?
I am trying to get the Parallax Infrared Sensor kit (#28019) to work, but I fail to understand how it could work at all. This is the kits schematic:
And according to the documentation, you send out a ...
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Strategies for Power Saving in Object Detection System Using Microcontroller and Infrared Sensor
I'm developing an object detection system that consists of an infrared sensor composed of an LED and an infrared receiver. The goal is to identify characteristics of non-uniform objects passing ...
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Need validation for my IR tracking device part list
I have a side project where I want to build something like that and it has been a very long time since I have done electronic. So I need some "validation".
The project is to build an IR ...
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Infrared eye tracking - safe levels of infrared exposure on the eyes
I'm making an infrared eye tracker where an infrared light will be shone on one of the user's eyes, and a camera will capture the user's gaze, and I have a 940mm IR LED for this purpose. I have the ...
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How to optimally cool an uncooled thermopile array?
I have ordered a MLX90640 32x24 uncooled thermopile array, and I want to squeeze as much performance as I can out of this honestly, pretty bad device. One way I am thinking of doing this is through ...
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Problem with CHQ1838 schematic
Hello, I have problem with this schematic, the Arduino did not receive any signal.
What is wrong with it?
I have this schematic provided by producer
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STM32 Programming Using Infrared
I'm trying to program STM32 using IR Emitter and PT.
While trying this, there is interaction between the programmer and the PCB, but since the signals rise late, I get an error before I can send the ...
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Snooping on an IR receiver with a microcontroller [closed]
I have got some PCB that has an IR receiver and processes that signal in a non-relevant way.
I would like to intercept or snoop in on that same signal with an ESP8266, without affecting the original ...
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TCRT5000 combined with ESP8266 ADC voltage divider
I have a circuit with a TCRT5000 that lets me detect proximity since the reflected IR rays will make the photo sensitive transistor conductive and will pull down the voltage below the 10kΩ resistor, ...
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Hacking a vacuum fluorescent display from an old DVD player
I have salvaged this front panel from an old DVD player. It has a VFD and an IR receiver. The board runs on a PT6315 chip.
I know the basics of electronics and Arduinos, but I am not an expert. I ...
