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Grinder speed control with stable RPM & DC motor power

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speedcontrols/dc_sc_grinder

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Grinder speed control with stable RPM & DC power

WORK IN PROGRESS !!!

This project's hardware is similar to ac_speed_control, but uses PWM-based control instead of phase-based. Key differences are:

  1. Motor is powered by DC voltage (it's ok for "universal" brushed motors).
  2. Direct frequency detection of current used (more precise than backEMF method).

Build manual

TBD

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Grinder speed control with stable RPM & DC motor power

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