I was trying to setup a test lab and had to run one of the devices off a 12V 0.5A wall wart. Picked one up and jiggled it a bit to hear a knocking sound. Out of curiosity I opened up the wall wart to find this…
I was trying to setup a test lab and had to run one of the devices off a 12V 0.5A wall wart. Picked one up and jiggled it a bit to hear a knocking sound. Out of curiosity I opened up the wall wart to find this…