driving a brushless motor with a microcontroller + L6234d

 

parts:

  • L6234 Three phase motor driver (essentially 3 half bridges) from the drotek.fr guys (recommended)
  • teensy 3.0 (yeah, overkill – but it was at hand) – btw: Paul rocks – as do his microcontrollers and libraries!
  • GBM4108-120T brushless motor (lying around for a future gimbal build)

code:

  • github
  • what it boils down to
     analogWrite(phase1Pin, sin_tbl[phase]);
     analogWrite(phase3Pin, sin_tbl[uint8_t(phase+85)]);
     analogWrite(phase2Pin, sin_tbl[uint8_t(phase+171)]);

pictures:

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