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Search found 782 matches
- Mon May 06, 2024 12:23 pm
- Forum: IR Protocols & Codes
- Topic: My AC does not recognize if I send what I captured with IRremote
- Replies: 13
- Views: 308
- Sun May 05, 2024 1:05 pm
- Forum: IR Protocols & Codes
- Topic: My AC does not recognize if I send what I captured with IRremote
- Replies: 13
- Views: 308
Re: My AC does not recognize if I send what I captured with IRremote
There are several posts on our blog explaining the reverse engineering process and also on GitHub. Our own AnalysIR application, provides several tools to help reverse engineering of AC signals. Essentially the first 3 & last value in your capture are headers. The rest are bit fields of 0 & ...
- Sat May 04, 2024 5:05 pm
- Forum: IR Protocols & Codes
- Topic: My AC does not recognize if I send what I captured with IRremote
- Replies: 13
- Views: 308
Re: My AC does not recognize if I send what I captured with IRremote
just try increasing the value until you stop getting more pulses in your capture.
- Sat May 04, 2024 1:52 pm
- Forum: IR Protocols & Codes
- Topic: My AC does not recognize if I send what I captured with IRremote
- Replies: 13
- Views: 308
Re: My AC does not recognize if I send what I captured with IRremote
FYI: you should be able to increase the IR current up to ~300mA for even better performance/range.
(assuming you are using a 5mm LED)
(assuming you are using a 5mm LED)
- Sat May 04, 2024 1:49 pm
- Forum: IR Protocols & Codes
- Topic: My AC does not recognize if I send what I captured with IRremote
- Replies: 13
- Views: 308
Re: My AC does not recognize if I send what I captured with IRremote
Great....However... - You will see that the buffer size of 100 may limit the size of signal received. - It appears that the ON/OFF signal is less than 100 in size. (=71) - That may not be the case for all the other signals. So if you receive issues with the other signal simply increase the size defi...
- Fri May 03, 2024 5:28 pm
- Forum: IR Protocols & Codes
- Topic: My AC does not recognize if I send what I captured with IRremote
- Replies: 13
- Views: 308
Re: My AC does not recognize if I send what I captured with IRremote
I will stay with the receiver part for now...
IR Receiver: That IR receiver you show is probably the worst you can get - but that is not likely your problem.
- I suggest you start again using the SimpleReceiver from the IRremote examples on Github. (You should only have to change the pin definition.)
IR Receiver: That IR receiver you show is probably the worst you can get - but that is not likely your problem.
- I suggest you start again using the SimpleReceiver from the IRremote examples on Github. (You should only have to change the pin definition.)
- Sun Feb 25, 2024 7:03 pm
- Forum: Community
- Topic: Constant current IR LED circuit
- Replies: 26
- Views: 52375
Re: Constant current IR LED circuit
It could also be that the GPIO pin can not provide enough current to drive the transistor + the 2 diodes. Try taking out the diodes and see if it is any better. Maybe I should consider using a different transistor? The TIP120 is a bit too huge I guess. Agree just any jellybean NPN is OK (I usually u...
- Sun Feb 25, 2024 2:03 pm
- Forum: Community
- Topic: Constant current IR LED circuit
- Replies: 26
- Views: 52375
Re: Constant current IR LED circuit
As before put a resistor on the emitter of the transistor. It is likely the IR LED is blown because of effective short. resistor value: 3R (you can make this up by paralleling 3 or 4 10R resistors) This resistor is required.!!!!! You cannot put a yellow led in place because the current is much highe...
- Sun Feb 25, 2024 1:46 pm
- Forum: IR Protocols & Codes
- Topic: AC Mitsubishi - use Arduino as IR remote - Raw data issues
- Replies: 20
- Views: 34731
Re: AC Mitsubishi - use Arduino as IR remote - Raw data issues
I suggest you try to get it working first with a TV+remote to show that you understand & your hardware is working correctly. In the last capture above you should remove the '-' signs before compiling. If that does not work for you, please open a new thread and post more details (Sketch, transmit...
- Sat Feb 24, 2024 2:55 pm
- Forum: Community
- Topic: Constant current IR LED circuit
- Replies: 26
- Views: 52375
Re: Constant current IR LED circuit
post a circuit diagram of your setup -hand drawn is OK showing part numbers and values etc. Also show the voltage supply to the IR LED(s)
A photo would also be useful .
FYI: having no or too low value resistor 'could' blow the IR LED and/or transistor. See my previous post!
A photo would also be useful .
FYI: having no or too low value resistor 'could' blow the IR LED and/or transistor. See my previous post!