uncleflo
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Brushless DC (BLDC) motor with Arduino – Part 2. Circuit and Software
Saved by uncleflo on July 15th, 2014.
In this post I will describe the hardware and the software part of a project involving the use of BLDC (Brushless DC) motor salvaged from a broken XBox 360. This is a second installment in the series of posts related to Arduino and brushless DC motors. Please see the first part for a bit of info on the theory behind the commutation sequence. Once you understand the commutation sequence for the particular design of the BLDC motor, the circuit design for the BLDC driver becomes pretty clear. It is not much different from a bipolar stepper driver in that we need the be able to both source and sink current at all ends of the windings, except of course in this case there are only three ends whereas the bipolar stepper has four.
motor arduino dc drive electronic circuit software brushless current control commutation sequence design howto build create diagram micro processor output application driver integrated ic
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