Tracid
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1. When do i have to use half bridge and when full bridge?
2. How many control lines do i need? (four for controlling current in two windings plus do i need any additional control lines?)
H-Bridge is good methode for controlling motor.
DC or stepper motor.
I usually use Allegro motor driver IC in my design.
please take a look on below pictures.
You just need to drive source and sink transistor (name is for my prefer only)
It is up to you to use fast decay or slow decay mode. I usually use mix (fast +slow) decay. It will have less energy consumption.
I do not know exactly, what is your problem. Circuit or programming related.
please let me know
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