lilimike
Member
I am planing to build a digital AC ammeter 0-20Amp to measure current on 120VAC
I am looking at an ICL7135 but instead of the standard shunt resistor couldn't I just wind some magnet wire around one of the live wire?
If I could do this how would I calculate the length, turns and size of the magnet wire?
Maybe just make it generate more than I need and reduce with a capacitor in series?
Mike
I am looking at an ICL7135 but instead of the standard shunt resistor couldn't I just wind some magnet wire around one of the live wire?
If I could do this how would I calculate the length, turns and size of the magnet wire?
Maybe just make it generate more than I need and reduce with a capacitor in series?
Mike