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PWR - Power Supply

Duties

  • Provide +5v power to the computer
  • Provide charging current for the Ni-Cd battery
  • LED outputs for Power on, Battery Present, Charging, Charge complete

Parts

  • LM2576 Step Down Regulator (TI?, 3A?)
  • ATTiny84 Ni-Cd Monitor (Based on Freescale MC68HC908QY4 example)