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.

More often than not, an IoT master device uses the SPI (serial peripheral interface) and I 2 C (inter-integrated circuit) protocols to exchange data with EEPROMs or sensors that are operating in slave ...

How does the latest Raspberry Pi board compare to its predecessors? The Raspberry Pi is the little computer that could. Selling for just $35, the UK-made machine has become something of a phenomenon, ...