Anyone searching for a function generator may be interested in a new DIY Arduino project which details how you can make your very own. “A function generator is a very useful tool, especially ...

[Faransky] has created a very impressive Arduino function generator that doesn’t skimp on the features. Capable of generating sine, triangle, and square waves up to 10MHz with its all-digital ...

The Arduino Mega's PWM pins are digital ... a 25% speed until you send another analogWrite() function with a different value or call a digitalWrite() or digitalRead() on pin D11.