Over the weekend the official Arduino development team release of an alpha version of a completely new development environment for Arduino, the Arduino Pro IDE. Bringing with it a wealth of new ...

The official Arduino develop and team have announced the availability of the Arduino Pro IDE v0.0.6-alpha preview, allowing for the installation of third-party cores. The Arduino Pro IDE has been ...

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

Each buzzer consists of an Arduino Pro Mini 3.3 V, a nRF24L01, and of course a big pushbutton on the top.