Raspberry Pi - The Raspberry Pi is a tiny and affordable computer that you can use to learn programming through fun, practical projects. Join the global Raspberry Pi community.
Microbit - BBC's handheld, programmable computer given free to UK kids
Orange Pi - It’s an open-source single-board computer. It can run Android 4.
Raspberry Pi Zero 2 W - Raspberry Pi Zero 2 W is perfect for a range of smart home applications and other IoT projects.
Odroid - The Odroid is a series of single-board computers and tablet computers created by Hardkernel Co.
Raspberry Pi Model A+ - Smaller, better, and cheaper: $20