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 bus.

With just a Raspberry Pi, a few sensors, and some Python code, you can create a powerful and budget-friendly data logger. From tracking temperature and humidity to monitoring pressure or light levels, ...

It was actually fully usable for my needs ...

It should be no surprise to many that one can use a Raspbery Pi SBC as an industrial controller, but is it any good at that? That was the question which [Dough Reneker] and [William Shaffer] built a ...