Anyone know how to make a simpel Digital Amperemeter that can handel about 30 - 40 ampere?
(The display driver part is not important right now. Only need a curcuit that can read the ampere)
I need to put it in front of an amplifire power input to see howve many ampere it are using.
I found this curcuit but im not shure it works for me: **broken link removed**
Hope somone can help me, and sorry for my bad english
You might find devices calld "panel meters" useful. They are usualy just analog-to-7-segment-converters, primitive cheap voltmeters. They are fairly common industrial parts. Here are some examples: https://www.futurlec.com/Panel_Meters.shtml
**broken link removed**