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Topic:
Fujitsu Inverter Air Conditioners
This thread has 47 replies. Displaying posts 46 through 48.
Post 46 made on Wednesday July 24, 2019 at 05:33
AxelSariel
New Member
Joined:
Posts:
July 2019
2
Hi, I'm new to the forums! I'm currently trying to create a HomeKit System for controlling my Fujitsu Air Conditioners, controllers AR-REG1U. I used a Raspberry Pi with LIRC to record the codes and use an Arduino Uno to send them to my ac (The a/c does recognize the code send by the Arduino). I have read this document [Link: old.ercoupe.com], but I still don't understand how to convert the values I received in LIRC into binary and hex so I can analyze them. I currently get 259 values from the control, and need to separate them into the first identifier bits and the other 16 words/bytes, but don't know how to convert them/which bits are which words. I include the code I received from the control using LIRC with the following config:

64 degrees, cool, fan speed 1 bar, no swing, no timers (Turning unit on from off)


3253 1650 403 413 414 415 414 1244 404 412 417 1242 404 411 415 413 414 412 415 1244 405 1243 405 415 414 412 415 412 414 1246 403 1243 405 412 414 413 414 413 414 412 415 415 415 412 414 413 414 412 415 413 414 413 414 412 415 412 415 412 414 1245 404 412 415 415 414 412 415 410 417 412 414 413 416 410 415 1245 404 412 414 412 416 412 413 414 414 1247 405 1243 404 1243 404 1244 404 1244 404 1244 404 1246 404 1245 403 413 415 411 416 1242 405 412 415 413 414 414 413 412 415 415 414 412 415 412 415 412 415 1244 404 1244 405 411 415 412 415 1243 405 415 413 412 415 416 411 413 414 1245 402 415 413 413 415 1243 405 411 415 413 414 416 412 415 415 410 414 414 414 412 415 413 414 413 414 1244 404 413 413 413 415 412 415 412 415 415 414 412 414 413 415 412 414 412 415 413 414 413 414 413 414 414 413 413 416 411 414 412 416 415 413 412 415 412 413 414 415 413 414 412 415 413 414 414 413 412 414 412 415 414 413 414 413 417 413 411 416 412 415 412 415 412 414 413 415 1244 403 413 414 413 415 412 414 1245 403 416 413 1244 404 412 415 412 415 412 415 1245 403

I infer that the ones closer to 410 are the zeros and the ones closer to 1243 are the ones, but don't know if I'm right.

If anyone could help me analyze this and convert it to the 16 words/bytes I would really appreciate it, thanks!
AxelSariel
Post 47 made on Wednesday July 24, 2019 at 06:51
Barf
Long Time Member
Joined:
Posts:
August 2013
206
IrScrutinizer version 2 can decode this signal as
Fujitsu_Aircon: {A=2,B=1,C=0,D=4,E=0,fOff=0,fOn=0,tOff=0,tOn=0,wOn=1} (Parameters as in a previous post by 3FG'.) It can also generate Arduino code for sending a number of those. (But consider getting one with more memory than the Uno, like the Mega2560, or you WILL run into memory problems).

IrScrutinizer 2 is unfortunately not officially released, here [Link: github.com] is a development version really close.

I infer that the ones closer to 410 are the zeros and the ones closer to 1243 are the ones, but don't know if I'm right.

If anyone could help me analyze this and convert it to the 16 words/bytes I would really appreciate it, thanks!

For this, have a look at IrpTransmogrifier [Link: github.com]
Post 48 made on Friday July 26, 2019 at 23:12
AxelSariel
New Member
Joined:
Posts:
July 2019
2
Iíll check those out then, thank you!!
AxelSariel
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