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 is more than up to the task, and a custom PCB makes for a fairly neat installation.

After analyzing the communication between the two chips, [Alejandro] pulled the S3P70F4 off the board and wired an Arduino Pro Mini 328 in its place. The Arduino was quite a bit larger than the ...

“The brains of the DMW is an common Arduino Pro-Mini, which monitors the buttons, ... I’ve tried to keep the PCB fairly easy to assemble even if you’re newish to soldering.