While the Raspberry Pi has very good support for an I2C bus, a lot of very cool chips – including the in system programmer for just about every ATtiny and ATmega microcontroller – use an SPI ...

Over the years we’ve brought you a few brewing projects. Another Pi-based setup graced these pages in 2012, as did a brewery using a Lego Mindstorms controller.

The software for “Iridis-Pi”—named after Southampton’s Iridis supercomputer—uses a free implementation of the Message Passing Interface and code written in Python to distribute parallel ...