Arduino Mega is a beast when it comes to multitasking automation projects. Because of its fairly large number of digital and analog pins, Mega is the first priority in many complex projects including multiple output control. But the default frequency on PWM pins of Arduino Mega can be a limitation when it comes to High-frequency control circuits. Yes, the frequency on PWM pins is set to default and you can easily change the frequency by using a simple one-line code! Read below to know How To Change PWM Frequency Of Arduino Mega.