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 ...

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.

I’m a managing editor at PCMag.com focused on PC hardware. Reading this during the day? Then you've caught me testing gear and editing reviews of Wi-Fi routers, printers, laptops, and tons of other ...

The Raspberry Pi 4 is a true next-generation Pi, with dual-screen 4K support, USB 3.0, a new CPU and GPU, and up to 4GB RAM. The Raspberry Pi 4 is a massive leap forward for the low-cost computer, ...

I wore the world's first HDR10 smart glasses TCL's new E Ink tablet beats the Remarkable and Kindle Anker's new charger is one of the most unique I've ever seen Best laptop cooling pads Best flip ...

Three years after the launch of the Raspberry Pi 3 there's finally a completely new model of the credit card sized computer. This time around the hardware is getting a huge update – the biggest since ...