This started as a simple desk clock, an Arduino Nano, a Max7219 LED matrix, and a DS3231 RTC. I'd occasionally tinker with it, swap in some scrolling text, try something out, then flash the clock ...

This Arduino Nano is programmed as a Morse Code Flasher Beacon controlling a Harbor Freight 27 LED 100-Lumen Superbright Worklight/Flashlight #67227. Try the Online ...

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.