Universal Controller Board v1.3

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Universal Controller Board v1.3

Note: development on Kicad boards should be done in the electronics/universal-1.3 directory in subversion

Already Done

  • Add debug LED's to Tx and Rx (nophead)
  • Add debug LED's to min/max sensors (nophead)
  • Add RJ11 Tx/Rx connections. (Zach Smith)

TODO List

  • Add ICSP header components (Eric Frias)
  • Slightly Enlarge holes on .100 headers
  • Layout board in Kicad
  • Test LED modifications on v1.2.1 board with 'green wire' mods.
  • Fastener holes: ensure clearance fit for 1/8" (3.125mm) diameter shank (Imperial equivalent of M3). Dia 3.5mm should do it.
  • Fastener washer space: ensure circuits avoid the radius of an M3 washer on the fastener holes (metal washers might short the circuit).
  • More space for heater transistor heatsink (ensure clearance on heater LED)
  • Avoid running high-amp power tracks through the board. Use multiple vias if transit is unavoidable.
  • Add LEDs/220Rs to Alt 1 and Alt 2 power transistors - keep clearance for heatsinks.
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