The Amp Hour

The Custodial Arts

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  • Chris and Dave reflect on the joys of having children, despite illness
  • Dave's latest Scope winner is a young person developing PCBs for the Framework laptop
  • Dave recently posted a debugging video with Sagan
  • What's your "daily driver" scope?
    • Chris - Analog Discovery 2 (portable, very low needs)
    • Dave - National Instrument virtual bench (flexible), but has many many more options.
    • Chris's boards were featured on the adafruit blog for using the Feather standard. These were the demos he worked on for Golioth.
    • Jared Wolff makes one of the nRF9160 feather boards, he has been on the show.
    • Chris likes that the Actinius Icarus has a higher voltage input pin to power from the thing you're plugging into (instead of only from the USB cable)
    • Adafruit Feather specification
    • Nordic Semiconductor recently announced their new Wi-Fi product, the nRF7002
    • The nRF9160 has a GPS modem, but it's time sliced with cellular.
    • Low tech is more Dave's speed
    • Dave prefers working with a decade counter like the CD4026 for clock projects
    • Dave showcased his clock build from his teenage years
    • Carl the Janitor
    • Submitted by community member unmanaged615, the TPIC6595 is a shift register that can deliver 250 mA per pin.
    • Not recognized at first, but Dave designed a variant into his Nixie tube design series
    • Matt Keeter from Oxide Computer Company (same place that past guest Laura Abbott works) showed how they debugged UDP packets direct from an QSGMII pair.
    • Will an 8 bit computer run Doom?
    • Logic probe
    • Logic pulser
      • ...more
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      The Amp HourBy The Amp Hour (Chris Gammell and David L Jones)
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