Just assembled kit 151, but no lights

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    • #2476
      Bradley Snyder
      Participant

      Hello, I hope someone has some hints for me.

      When I turn the unit on, I get a beep, but nothing else. Not a single light anywhere on the top of the board. The power lights are lit on the various modules on the underside of the board.

      I verified power and SCL and SDA to the HT16K33. The board acts dead other then the single beep when powering on.

      The serial interface reports:

      MeinEnigma Version: 1.10d
      Checksum seems OK, (A48) keeping the values
      No IC detected,assuming standalone
      Version: 1.10d

      So it is not finding the HT16K33 chip, but shouldn’t maybe the decimal points on the alpha-numeric displays light up at some point?

      Thanks for any tips!

      -Brad

    • #2477
      Bradley Snyder
      Participant

      UPDATE: I found that pin one of the HT16K33 had a cold solder joint. Fixed that and all is good now!

      -Brad

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