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Hi, Bert
Halas it uses the Counter EMF of the motor ...I recall a SCR switching circuit to control the avarage voltage across a motor for a simple speed control.
The trick here is to use PWM and sample the wire resistance ( needs wire with a PTC ! ) while PWM is off ...
Alain
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Why insist on using 32 Bits when you're not even able to deal with the first 8 ones ??? ehhhhhh ...
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IF there is the word "Problem" in your question ...
certainly the answer is " RTFM " or " RTFDataSheet " !!!
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