I am building an ECM (electro chemical macihning) machine. I have a tool (GND) and a work piece (V+). I am going to dissolve the work piece using 5V 100A (or perhaps 12V 50A) through a gap and electrolyte. I want to run 5V ~100mA through the work piece at all times and use a relay off the tool to …

Reverse Relay?

Topic		Replies	Views
Arduino as ammeter Frequently-Asked Questions	8	6177	May 6, 2021
High Current Arduino Multimeter General Guidance	26	13636	May 5, 2021
Arduino as an ammeter General Electronics	5	20705	May 6, 2021
current sensor Sensors	7	2983	May 6, 2021
Rilevatori di corrente alternata con Arduino Italiano	6	9014	May 6, 2021