You can use the ATmega internal PWM peripherals to generate faster PWM outputs than the software based analogwrite(). Fast PWM Resources https://www.arduino.cc/en/Tutorial/SecretsOfArduinoPWM Registers & Bits Consult that datasheet for the ATmega used in the Arduino you are using as the exaxt bit usage varies between timers and between devices. There are 2 fast PWM modes. Fast PWM which […]

Using PWM Output Pins To set the PWM period on any pin which can be used for PWM use the following: There is no need to set the pin as an output as it will be automatically set as one. The PWM frequency is fixed at approximately 490 Hz. Boards With > 8 Bit PWM […]