Arduino Unoをモジュール差し替えでWi-Fi通信を可能にする「Jolly Module」をスイッチサイエンスウェブショップにて2023年6月28日販売開始 ...

He put it all together on proto-board, although soldering the FM radio module was a bit tricky. The Arduino code is quite simple, and available for download (zip file).

[Matt] over at Make came up with a way to send push alerts to his iPhone whenever his mailbox is opened. The electronics are just a switch mounted to the mailbox connected to an Arduino with an ...

There is an example of a programme that differentiates between long and short push-button pushes on the Arduino.cc website, but I was not taken it.