I want to calculate the RPM of a car wheel using the hall sensor A3144, with Arduino Uno. When its mailed to me, I will connected the output (pin 3) to the digital pin 2 (interrupt 0) of the Uno, connected pull up resistor to Vcc, and connected Vcc and ground. I am going to fit a powerful magnet I …

Measuring RPM using Hall sensor A3144

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