Simple resistor will do great job as current/voltage transformer, analogRead would digitize results for you.
For 100 microAmpers * 1 kOhm = 0.1V ( to stay away from noise floor),
and 1250 * 1 kOhm = 1.25 V accordingly.
Simple resistor will do great job as current/voltage transformer, analogRead would digitize results for you.
For 100 microAmpers * 1 kOhm = 0.1V ( to stay away from noise floor),
and 1250 * 1 kOhm = 1.25 V accordingly.