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Diodes are semiconductor components made from a P-type and N-type silicon material, that allows current to only flow in one direction.

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were not working and narrowed down the problem to one of the bars. There were two bad diodes on the bar(D1,D2 in image attachment below) so I tried replacing them with two that I took off a computer … motherboard. All four bars that were not working before lit up but only the last five LEDs on the bar with the replaced diodes were lighting. After testing the individual LEDs it turned out that L1 was …
asked Sep 19 '16 by Amrit