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.

Multiple Kickstarter project creator Doug Gilliland has now launched his 17th project via the crowdfunding website, offering a Raspberry Pi I2C Multiplexer for the small single board PC. The new piece ...

Mike Lopez has created a new piece of hardware that Raspberry Pi enthusiasts may be interested in called the Avocado Pi. The new piece of hardware has been specifically designed to provide a way of ...

If you want to program in Python see Raspberry Pi IoT In Python Using Linux Drivers. There are many specific device drivers which make use of the I2C bus and, as in the case of the SPI bus, there is ...