Black Hole
May contain traces of nut
I have a string of LED Christmas lights (procured post-Christmas in the sell-off), 10m long with about 100 LEDs on it. There is a wall-wart transformer (just a transformer it seems) outputting AC (the connector is unpolarised, and doesn't seem to mind which way around it is plugged) which runs to a small control unit with one button. Press the button to change the light effect - constant, chase, flashing (and variations thereof). Okay so far.
The string of LEDs itself has four conductors in some places and three in others, linked between the individual LEDs at 4" intervals. The LEDs appear to be connected in series. Okay....
Here's the killer: there are only two conductors between the control box and the first LED in the chain!!!
This clearly requires further analysis.
The string of LEDs itself has four conductors in some places and three in others, linked between the individual LEDs at 4" intervals. The LEDs appear to be connected in series. Okay....
Here's the killer: there are only two conductors between the control box and the first LED in the chain!!!
This clearly requires further analysis.