Changing the PWM frequency to 20kHz on a Mega - Programming Questions - Arduino Forum
Arduino Mega 2560 PWM pins. - Programming Questions - Arduino Forum
Arduino Mega2560 Using Digital Pins as PWM Pin
Arduino Mega 2560 Pinout
In Arduino, only a few pins have a PWM function. Can't we create PWM by just controlling delay in regular digital pins (using that basic blinking program)? - Quora
Arduino Mega PWM Pins Configuration For Quad Copter - Project Guidance - Arduino Forum