The Amp Hour

Grumpy Collaboration

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  • CM4 vs CM4-Lite
  • The connector for a board implementing a CM4 is the Hirose DF40C-100DS-0.4V(51). Unsurprisingly, these are very hard to find right now.
  • Complaints
  • There is a new site for commercial Raspberry Pi stuff (now a .com domain)
  • Apex Electronics in LA
  • Tempo Automation is going public via SPAC
  • Flux (a new online CAD tool) raised $12M
  • This seems similar to Upverter, which was acquired by Altium and is still around in a slightly modified form
  • Advanced designs
  • Collaborative design work
  • KiCad lost control of the kicad-pcb [dot] org domain name when it was sold by a former team member, everything should be directed to KiCad.org
  • Dave insists that Wordstar pioneered the use of ctrl+c, ctrl+v
  • Acrylic vs Silicone conformal coat
  • Dave is looking at building his own microphone pre-amp using the THAT4320, an analog front end chip for audio systems
    • Thanks to freesvg.com for the Grumpy Cat image
    ...more
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    The Amp HourBy The Amp Hour (Chris Gammell and David L Jones)
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