Category Archives: Schematics

PK3Err0035 Update and UBW32 DipTrace Library

I know I promised a post about controlling UBW32 I/O pins and registers this week, but the PK3Err0035 problem has left my board seemingly bricked. After the failed programming attempt I mentioned in a previous blog post, I am unable to upload code using the HIDBootloader program (or any program, for that matter). I have also tried using two other PIC programmers (The MPLAB ICD3 and the REAL ICE) and they both give me the same Err0035 code when I attempt communication with the MX795 chip in question. Read on for my current plan and some nifty DipTrace files to keep you busy developing in the mean time.

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