Arduino: Bad readings from 12V pwm fan tachometer signal

Bad readings from 12V pwm fan tachometer signal Hey guys! Hopefully you found a solution that helped you! The Content is licensed under (https://meta.stackexchange.com/help/licensing) CC BY-SA. Attention! This video does always use the same license as the source! Thanks to all the great people for their contributions! (arduino.stackexchange.com/users/90379/takata)Takata (arduino.stackexchange.com/users/31043/6v6gt)6v6gt A special thanks goes out to the awesome (arduino.stackexchange.com/questions/93247/bad-readings-from-12v-pwm-fan-tachometer-signal)Stackexchange community If anything is off, please write me at sophia DO.T wagner A.T ois42.de I wish you all a chilled day! Stay safe :) pwm arduino-nano