[Iron-Man]

First tests on my new Z axis (unfinished yet)... Please do not lough about my motor coupling
Things seem to be good enough

https://www.youtube.com/watch?v=6lVSf3y4Phs

Mihai

What you need is a precision current sense amplifier. Here are a few links to get you started;
http://datasheets.maximintegrated.co...s/MAX44285.pdf

http://cds.linear.com/docs/en/datasheet/6102fe.pdf


http://www.ti.com/lit/sl/slyb165g/slyb165g.pdf

See page 13 for TI current sense amplifiers.

Hope this helps,

Iron-Man