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

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.

By joining Arduino Pro’s System Integrators Program, C3D aims to enhance its IoT capabilities, accelerate product development, and explore the potential of emerging technologies like NB-IoT.