I bought some cheap RGB flood lights from aliexpress.com. They were supposed to be DC24V (I intend to run them off a solar/battery setup) but I ended up with AC24V instead. What clued me in was the brown/blue connecting wires, when I was expecting red/black for DC.
Opening the thing up though, I find this:
An AC12V LED driver! And, curiouser and curiouser, when I hooked it up to a DC12V power supply it lit! I could only get red light and the IR remote control didn't work, but the magic smoke didn't leak out.
What is going on?
- Why does something sold as an AC24V device contain an AC12V driver?
- Why did applying a DC voltage to an AC device not blow it up?
- Why could I only get red out of the LED and not any other colours, and why did the IR/control circuitry seem to not work?