It runs on an Arduino Pro Mini knockoff and an RTC module for the sake of simplicity. [Lee] chained NeoPixel strips together in five rows of eight, which allowed him to use a 3×5 font to display ...

The creator of the Arduino RF Pro Mini open source development board Etienne, explains a little more about the inspiration behind the project. “ I’ve loved Arduino for years.

An Arduino Pro mini handles the selection between outputs by driving a selection of relays with appropriate timing.

Unlock New Possibilities with Arduino Pro Connectivity Solutions The combination of the Arduino Portenta Mid Carrier and the Arduino Pro 4G Module opens up a world of possibilities for your projects.