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#1
 
06-07-2009, 01:06 PM
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hi, i was looking some internet pages about chopping on stepper motors, and i build a circuit with comparator + resistor senses + flip-flop and stuff. But i have a question: how can i know the current in the stepper coil motor? i means if i use the voltimeter in a coil and it's 1.2v (for example) with a 1.3ohm coil, then the current is: 0,92A, right? or is it an error do it so? I dont know if it's ok because the chopper frequency or something more, or not. Thanx a lot if you can help me with this. PD: sorry for my english.  |
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