bat charger - imported
  2 22uf ceramic capacitors (done)
  leds+resistors (done)
  in+out filters: 22uf (done)
    20 must take 1a
  timing capacitor (done) - 270nF
  schotty diode (done)
  inductor (done)
bat to 3v - imported
  100nf/.1uf cap (done)
  2 10/22uf caps (done)
  check 4.7 uh inductor (done)
  
usb to 3v
  voltage div resistors (done)
  2 1uf ceramic caps (done)

comparator - imported
  boost converter is high=on
  1uf caps (done)
  1uf between vdd/gnd (done)
  1000pf between vout and gnd (done)
  15nF timer cap (done)
  
  
TODO:
  check list
  check layout
  set inductors