There's plenty on Ebay china for less than $5...
http://m.ebay.co.uk/itm/FL-2-DC-75m...%3A92411cbf15b0a60cca2c0107fff6a459%7Ciid%3A4
http://m.ebay.co.uk/itm/FL-2-DC-75m...%3A92411cbf15b0a60cca2c0107fff6a459%7Ciid%3A4
Now all of these are rated in amps and mv, my previous question was answered by "you need a 0.001 ohms shunt resistor" so how would I figure out how many mv at amps to sense 20A at 20A? There's no resistors that I can find that have a ex. 75mv at 75 amp ratio :/There's plenty on Ebay china for less than $5...
http://m.ebay.co.uk/itm/FL-2-DC-75mV-50A-Current-Shunt-Resistor-for-Ammeter-Amperemeter-Panel-Meter-T8Y1-/252812698009?hash=item3adccfa199:g:GFoAAOSwXYtYx92F&_trkparms=pageci%3A22fcfecf-26d3-11e7-b8cb-74dbd180325a%7Cparentrq%3A92411cbf15b0a60cca2c0107fff6a459%7Ciid%3A4
by Jake Hertz
by Jake Hertz
by Jake Hertz
by Jake Hertz