arduino as ammeter

OTOH you haven't said what sort of signals will go down the wire. AC? DC? High frequency?

the signal is to measure DC current from my audio system in truck
i want to have 5 individual readings

  • main system reading (4 reserve batteries in parrellel, each @ 170Ah each - system is ~14.4VDC)
  • 2 - 2000W amps,
  • 1 - 1600W amp
  • 1 - 1200W amp