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More cooling for ULN2003

o Connect unused pins to a GND copper plane for slightly better
  heat distribution (in any case, we are well within ratings
  of the chip; the sum of all currents is never more than 500mA).
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hzeller committed Oct 29, 2017
1 parent b5a4835 commit 8a1bc497bea0042129afa0883c09edd94f03d378
Showing with 245 additions and 122 deletions.
  1. +179 −121 pcb/pocket-cape/pocket-cape.kicad_pcb
  2. +66 −1 pcb/pocket-cape/pocket-cape.sch
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