Friday, August 6, 2021

DEXTER Data line 6 of 7 was being held high

 This is a note to myself in case I ever have to troubleshoot this problem again.

On a Dexter board I was testing, I noticed that one of the data bits was stuck high.  After some non-trivial testing, I finally isolated it to a bad diode, which really surprises me.  This is the last part that I thought would be the problem!


NOTE to future self: try removing this diode if the problem ever happens again.

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