MSP432-Motor-Speed

Description:

Control motor speed using a potentiometer. Potentiometer voltage readings are passed through a digital low pass filter to smoothen speed transitions. Speed in RPM is displayed on a seven-segment display.

Demo:

https://youtu.be/RyNKAnJRMWo

Calculations:

Low-Pass Filter Transfer Function:

MATLAB Program:

Hc = tf([1], [1/(2*pi*1), 1]);

bode(Hc);

Hd = c2d(Hc, 1/200);

MATLAB Result:

   0.03093
  ----------
  z - 0.9691
  

Find Output 'y':