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Thank you! It solved a good part of the problem. Now, I can control a PWM from 1Hz to 5Hz almost smoothly with the duty cycle at 20% for 1Hz and going up to 22% at 5Hz. After that I only get very discrete frequencies: 7.99Hz, 9.55Hz, 10.66Hz, 11.99Hz, 13.70Hz, 19.18Hz, 21.32Hz, 26.65Hz, 35.54Hz and then it takes almost half a turn before it changes to 53.3Hz until the end. The duty cycle at 35Hz is 33.3% and it reaches 50% at 53.3Hz... What logic is that....

PyThagoras
– PyThagoras

2017-09-09 18:14:17 +00:00
Commented Sep 9, 2017 at 18:14
changed current=micros() to current=millis(), gives even worse results...

PyThagoras
– PyThagoras

2017-09-10 20:23:44 +00:00
Commented Sep 10, 2017 at 20:23

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