The Raspberry Pi 400 is a Chinese-made keyboard top with UK-made insides, including a Raspberry Pi 4 with 4GB of RAM, USB ports, a GPIO header, HDMI ports, Wi-Fi and Bluetooth.

Electronics Weekly has been trying out a Raspberry Pi 400 for a few days, and can report that it really is a desktop replacement for writing documents, editing photos and general web use. Yes, that ...

What is it? An amazing Raspberry Pi-powered computer for only $100. MSRP $100 Like This is a solidly build computer inside a very usable keyboard. No Like It's not an amazing educational tool but ...

Instructables member Gosse Adema has created a fantastic Raspberry Pi split mechanical keyboard which is powered by a Raspberry Pi Zero W house in a separate casing which connects the two halves ...

Raspberry Pi designer shows off the custom PCB for the Raspberry Pi 4 inside the new $70 Pi 400 keyboard computer. Written by Liam Tung, Contributing Writer Nov. 4, 2020, 5:47 a.m. PT ...

The Raspberry Pi 500 is easier still, hiding the PCB inside the keyboard, which sports a full array of I/O. Just plug in your peripherals, and you're all set.

The PS/2 keyboard uses a relatively simple clock and data protocol that is well-understood. The only real issue is converting the 5V PS/2 signals to 3.3V for the Pi (and vice versa, of course).