Comment on bypass controller on a cheap LED strip
dingdongitsabear@lemmy.ml 3 days agoit’s a RGB strip but with white LEDs.
so when I bring 12 V to the 12 V lead and then GND to the R, G, or B contact, the respective LEDs light up. when I short them all (R+G+B) all the LEDs light up.
sure, I tried it with a known good 12 V PSU and it works, but I’d like to use this one and just bypass the light-show circuitry.
CameronDev@programming.dev 3 days ago
When you say all the LEDs light up, do you mean they light up white?
Those LEDs are labelled R G B, so I would have assumed they were single colour LEDs?
dingdongitsabear@lemmy.ml 3 days ago
they are white LEDs i.e. they shine white. the R G B leads are used to trigger them individually, for the running lights and whatnot. so when I bring 12 V to the V lead and GND to e.g. R, all the LEDs marked R (image) light up. when I then short R with G, then all R and G light up, etc.
CameronDev@programming.dev 3 days ago
Interesting, never heard of that arrangement before.
dingdongitsabear@lemmy.ml 3 days ago
the whole thing (5 meter strip, remote, PSU/controller) cost like $5 total so I’m guessing that’s some ingenuity at play, like reusing strips meant for RGB lights and sumsuch