The Raspberry Pi always attracts compatible third-party hardware and its new keyboard computer, the Raspberry Pi 400, is now available with touchscreen displays to make a complete system.

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 ...

Raspberry Pi designer shows off the custom PCB for the Raspberry Pi 4 inside the new $70 Pi 400 keyboard computer.

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 ...

This makes it possible to make a thin mechanical keyboard. And I tried to keep this keyboard as thin as possible.” “The entire design was made with Autodesk Eagle and Fusion 360.

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).