In the Blink example, loop() simply turns the pin on and off ... digitalWrite() is a built-in Arduino function that simply turns the digital U/O pin specified on or off - in this case whatever ...

The Arduino Mega's PWM pins are digital ... the input value into four as seen in this basic example code or by using the map() function, as you can see in this Analog In, Out Serial sample sketch.

Guide you through Arduino robot projects features and functions, providing you with an overview of how to remote control your robot, avoid obstacles, follow lines as well as add images and sounds ...

Arduino enthusiasts looking for ... any other library if you don’t need it. Over 50 examples/applications and an offline help for every function that is included in the library.