I'm trying to emulate an existing controller and send similar signals to a Stepper driver. This driver has a Dir/Step interface like the Allegro series. I looked at http://arduino.cc/en/Tutorial/SecretsOfArduinoPWM and the ATMega328P datasheet and am currently using Timer1 from hre: Arduino Playgro…

PWM Frequency Ramp-Up for Stepper Driver

jpk September 1, 2017, 10:37am 14

check out this
and this

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