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Surface grinder concept/project

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Experimenting with a Raspberry pi pico servo.

This sort of thing used to be difficult. Now  all you need is a 5 microcontroller and a few lines of python and you have a servo controller.

Here , the pico's PIO  (programmable input/output) is configured to be two quadrature counters (it can easily have 8)  , one handling the motor position, and one counting the handwheel input. One of the pico's PWM outputs is amplified, filtered and sent to the servo amps (on the right).


I feel the need to make a pico DRO  ....


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