The $70 Raspberry Pi 400 is a computer crammed into a keyboard

There’s a whole computer in there. (Raspberry Pi /) Last year, the Raspberry Pi 4 hit the market, promising all the essential guts that make up a surprisingly powerful computer for just $35. Add a $5 case and you have a basic computer—with USB ports, up to 4 GB RAM, Bluetooth, and Wi-Fi for less […]