[Lab] christmas light pcb

Nigel Vezeau nigel_vezeau at yahoo.com
Mon Dec 24 09:43:24 EST 2012

Might be the same chipset as these ones from Adafruit:


I've used them before and they are quite straightforward to run from an Arduino using the libraries provided.  I'd be interested to hear if you have any luck getting them going.



> From: Peter Sjoberg <peters-modlab at techwiz.ca>
>To: lab at artengine.ca 
>Sent: Monday, December 24, 2012 3:17:55 AM
>Subject: [Lab] christmas light pcb
>I picked up a Christmas light at walmart and trying to find info about it. What interested me is that for $8 I got 15 RGB LEDs, each with it's own little pcb and it seems like they can be controlled individually! Of course it's not as simple as reading the specs because I haven't found any (did google the numbers found) and the IC is a black blob so no help there.
>I opened up the first and last one to take some pictures. The first one has 5V feed on the upper row marked "DI", the bottom row marked "DO" has 3 wires going to next light where it comes in on the "DI" row, out on a "DO" and my guess is that it goes on like that to the end.
>I took some pictures of it that can be seen at http://flickr.com/gp/henahadu/73436S/ 
>My question is - anyone seen anything like it ? Any clue on where/how I can find more info? Somewhere else to ask ?
>Lab mailing list
>Lab at artengine.ca
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