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.

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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 ...

The new version of the easy, DIY PC is still cheap. Processor is faster and more powerful. True Ethernet for better network performance. Up to 4 GB of RAM opens up your computing possibilities.

With tons of Raspberry Pi models available, it's not always clear which one you should buy. Here, we break down the form and function of all main product lines.