On Jan 4, 2010, at 9:20 AM, Peter Clifton wrote: > You could even be fancy.. and measure the inrush. Place a low-ohms > resistor in the ground return (to sense the current), then attach to > some kind of transistorised switch. You should be able to trigger an > oscilloscope watching the volts across that resistor from the switch > drive signal. (Hook up to a square wave generator or something).
For a motor, the inrush is usually about the same as the stalled current. So just clamp the shaft and measure current. Jason, you say the motor takes 100 mA. Under what load condition is that? (Stall current) > (Normal load) > (Freely spinning). John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com _______________________________________________ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user
