Which chip in RGB light bulb with IR remote.

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sparrow2
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Posted by sparrow2: Sat. Sep 12, 2020 - 09:54 AM
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I got some 7W RGB light bulbs for us$2 with IR remote.

 

Does anyone know which chip it's using? (I have not taken one apart yet)

 

What I really want is a AVR controlling the colour either from IR (all colours and not only the about 20 you can make from the remote), or direct into the chip/LED, and in that case feed it all from 12 or 24V.   

 

I know that the chip inside can do many colours bacause it also have some colour fading/changing modes. 

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sparrow2
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Posted by sparrow2: Sun. Sep 13, 2020 - 05:53 PM
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I found out that volume up on from my remote to the satellite box, make it change colour for every press (a function that's not on the normal remote)

 

So are there a standard for those IR remotes ?

 

 

 

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DocJC
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Posted by DocJC: Sun. Sep 13, 2020 - 06:05 PM
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As the instructions for this Universal Remote Control show, there are many, many different code sets used for the name brand devices.

 

Entering a different setup code in the universal remote just maps the keypad to a different code table, pre-installed within the universal remote.

 

JC

 

Edit:

In addition to TV's, etc., I also do not believe that there is a cross-manufacturer IR standard for light bulbs, either.

 

There is no market driven force to encourage such a practice.

 

JC 

 

Last Edited: Sun. Sep 13, 2020 - 08:11 PM
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sparrow2
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Posted by sparrow2: Sun. Sep 13, 2020 - 07:22 PM
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but none of those is for a light bulb!

 

 

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awneil
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Posted by awneil: Mon. Sep 14, 2020 - 08:58 AM
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sparrow2 wrote:
Does anyone know which chip it's using? 

 

You  haven't said what make or model of lightbulb it is!

 

 

Probably the easiest approach is to set up an IR "sniffer", and see what the supplied remote is sending ...

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Kartman
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Posted by Kartman: Mon. Sep 14, 2020 - 10:33 AM
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https://www.instructables.com/id...

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awneil
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Posted by awneil: Mon. Sep 14, 2020 - 11:39 AM (Reply to #6)
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(never mind)

Top Tips:

  1. How to properly post source code - see: https://www.avrfreaks.net/comment... - also how to properly include images/pictures
  2. "Garbage" characters on a serial terminal are (almost?) invariably due to wrong baud rate - see: https://learn.sparkfun.com/tutorials/serial-communication
  3. Wrong baud rate is usually due to not running at the speed you thought; check by blinking a LED to see if you get the speed you expected
  4. Difference between a crystal, and a crystal oscillator: https://www.avrfreaks.net/comment...
  5. When your question is resolved, mark the solution: https://www.avrfreaks.net/comment...
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Last Edited: Mon. Sep 14, 2020 - 11:41 AM
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Dhruv wadhwa
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Posted by Dhruv wadhwa: Fri. Feb 12, 2021 - 08:12 AM
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there is a really great IR Remote Library by Ken Shirriff that can detect what communication protocol the transmitter uses, you will have to hookup a ir sensor to arduino using pin 3 i guess, download the library and upload the ir remote info example. most probably it would be NEC.

Last Edited: Fri. Feb 12, 2021 - 09:53 AM
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sparrow2
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Posted by sparrow2: Fri. Feb 12, 2021 - 08:56 AM
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Thanks but:

what I really was after was a datasheet (I is/was assuming all those light bulbs use the same chip ).

 

The real reason was what a said in #2, but have later found out that the org remote also can do that.

 

And what I really wanted was a way to set it to any RGB colour.

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