Check sensor wiring, calibration, and ADC reference voltage for stable readings.

The feedback value is full that the Serial monitor is always printing value around 25903 and 25344, no matter of the motor running or not.
2025-07-24 14:44:13
Tonny12138
The first parameter in the interrupt function ' attachInterrupt ' means the interrupt number that is just number 0 and 1, not the interrupt pin number. Read more
