I think you'd be better off passing that signal through an op-amp to boost it to the 0 to 5V range that the Arduino normally supports. Op-amps are cheap, and the associated resistors and capacitors will hardly break the bank.
I think you'd be better off passing that signal through an op-amp to boost it to the 0 to 5V range that the Arduino normally supports. Op-amps are cheap, and the associated resistors and capacitors will hardly break the bank.