It takes a handful of LED arrays with an integrated driver, an Arduino Nano ... microcontroller projects. If you want really minimal, you could go with a 4 LED clock (but you better know the ...

This replica uses LEDs driven by an Arduino Nano and a real-time clock. Since the RTC gives hours from 0-23 and minutes and seconds from 0-59, a couple of shift registers and some modulo ...

So, here are five cool ideas you can bring to life by combining your Arduino microcontroller with a Raspberry Pi SBC. Ever ...