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  1. P

    HM 4.0 meets the braided probe cable of doom

    Final update - replacing the atmega did fix the problem and I'm back up and running :smilekettle: Thanks very much, Bryan, for the help and advice. Thanks also, Dave, for saving me a facepalm moment when I got my soldering iron out!
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    HM 4.0 meets the braided probe cable of doom

    Quick update: Pins 2 and 3 are connected to RX and TX on the Pi Connector and not to 3.3V or GND, so I'll replace the atmega and report back. Thanks again.
  3. P

    HM 4.0 meets the braided probe cable of doom

    You're quite right! I've spent that much time looking at the underside of the board that I'd completely forgotten it was in a socket. Cheers!
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    HM 4.0 meets the braided probe cable of doom

    Thanks Bryan, much appreciated. I'll pull the chip and run those tests as soon as I can get my hands on some de-soldering braid.
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    HM 4.0 meets the braided probe cable of doom

    Hi all, I built a HeaterMeter v4.0 a couple of years ago (great project, BTW - many thanks to Bryan and all involved). Everything worked nicely until last week when I had the unit powered up but out of its case and then managed to drag one of the braided probe cables over the assembly; it...

 

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