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IR Decoder

Decoded the infrared signals sent from a universal remote with the help of a certain PIC16F886 µ-controller and now it controls my lights.

curious_engineer22curious_engineer22
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  • IR Decoder
hardware
completed project
microcontroller Pic16f886 infrared Microcontroller pic16f886; generic universal remote; ir sensor;

This project was created on 04/06/2017 and last updated 4 years ago.

Description

If you are looking for an extremely inexpensive way to decode infrared signals, well then look no further. By taking an IR sensor and hooking it up to an oscilloscope, I decoded the signals sent from a generic universal remote control. By counting the number of bits being sent it is easy to create a timer within the micro controller (PIC16F886) to determine if a '1' or '0' is being sent.

By enabling the positive going trigger (PGT) as my start and NGT as my stop, I could time the pulses within the µ-controller using the interrupt and a pretty intense 'if' statement . I counted the pulses, plugged them into an array and then printed them to an LCD screen first in binary, then in hex (for spacial reasons of course).

I then took it a step further and wired up a solid state relay so that I could control power directly from any wall socket from my pcb. By doing so, I can essentially control anything that is run from the standard 120AC 60 Hz power

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