Re: [CAD_CAM_EDM_DRO] Motor current measurement

Check the voltage across one of the sense resistors. Divide the voltage
by the resistance of the resistor, and that is the current.
E
I = ----
R

Where I is current in Amperes, E is voltage in Volts, and R is
resistance in Ohms. I guess A = V/R was to easy :-)

Regards,
JJ

Ian W. Wright wrote:

>Hi,
>
>This may seem like a daft question but how does one measure the current
>going to a stepper motor when setting up a driver board (L297/298
>combination)?
>
>Best wishes,
>Ian
>--
>
>Ian W. Wright
>Sheffield, UK
>
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