bitaxeAva miner with quad Canaan A3197 ASICs

It is still an untested prototype! Don't build this expecting it to work yet.

• Open Hardware License; Real Open Source.
  • KiCAD design files.
• Four Canaan A3197 ASICs powered in series
  • Each ASIC is nominally 0.33V and 440 GH/s
• 11-13V XT30 input voltage
• TPS546D24S single-phase voltage regulator tuned for 2.4V output @ 30A
  • The voltage regulator backside power plane is exposed to hopefully thermally bond it with the main heatsink.
• TPS546D24 backside busbar to cool the voltage regulator from the main heatsink.
• Fan controlled from the ESP32
• ESP32S3 for esp-miner support.
• Display moved off the main board. Should support the bonanzaDisplay
• Gerbers not provided to discourage side hacks and AliEx slop. HMU if you need help generating gerbers with KiCad.

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