rpm-detector

Easy to use rpm-detector for Arduino/ESP based microcontrollers.

Get the current speed of your motor (For example BLDC motors).

To start, change your signal Pin in the code to your own desired pin.
Now adjust the magnet amount.
After that, correct the wheel circumference of your installed wheel on the motor. (Keep gearings in mind, if any)
Upload the sketch on your microcontroller, and open the Serial monitor to see the results being printed.
The Serial plotter may also be used.

The max speed of the detector is currently at around 50-60kmh, by adjusting an array size more is also possible.
The amount of RAM used is around 31216 bytes on an ESP8266.

Examples:
Calculate the wheel Speed of your electric bobby car.

Your hub motor powered trash can needs solid speed measuring.

The fan at the ceiling has to be speed controlled.

• There are endless possibilities, so be creative!
  

Hereby no guarantees or responsibilities are taken.