There have been plenty of Z80 computer builds here on Hackaday, but what sets them apart is what you do with them. [Andrew] writes in with his Z80 single-board computer made from scratch, using the… ...

It’s an Arduino shield that adds a Linux SoC, WiFi, Ethernet, and USB Host to any Arduino board from the Uno, to the Duemilanove and Mega. It is basically identical to the Arduino Yun, ...

using an Arduino shield, ... Arduino Mega 2560, Arduino CNC Shield V3 GRBL, ... Shield together with a couple of wooden wine boxes to create a fantastic plot capable of precision drawing. ...

Created by engineer Joel Moritz Jr the Cthulhu Shield has been launched via Kickstarter this week and is now available to back from $75 with worldwide shipping expected to take place during July 2019.

1Sheeld connects your Arduino to your smartphone (Android only, for now) to hook into its display, accelerometer, magnetometer, Wi-Fi, cellular connectivity, GPS, gyroscope, etc.