if (!switch_button_flg_initialized) // to avoid any runtime error in case user missed to initialize Serial.println("ERROR in switch_button_start() - switch_button not ...

Electronic, Arduino enthusiasts and makers looking for a project to keep them busy this weekend, may be interested in a cool custom switch created by Dave Darko. That requires users to intermittently ...

So you've already outgrown Arduino's most beginner-friendly board, the Uno, and are looking to move on to bigger, more exciting projects. In that case, the Nano family might just be what you need.