Christmas lights [tif]

1 · Remy Sharp · Jan. 6, 2024, 6:41 p.m.
Although I've been tinkering with bits, this was another home fix exploit. The lights didn't work at all (outdoor LEDs). At first I thought it was corrosion on the battery contacts (which is a good first port of call), but when I injected bench supply power I could see it was drawing amps - which meant that either the board was not putting power to the LEDs or the LEDs were bad. I checked the contacts for the LEDs with a multimeter, and it showed a voltage (bouncing - which would make sense if t...