The chip inside the Uno isn’t a powerhouse by any means, and with only 2KB of RAM it’s far less capable than just about any computer from the 70s. Arduino ... you can connect a TFT display ...

Sure, it isn't such a big deal when you're just starting out as most professionals and experienced users recommend the Arduino Uno. However ... when connected to a computer, the Micro not only ...

There have been plenty of Z80 computer ... Arduino shields. This compatibility is achieved with an analog-digital converter and a 3.3 V regulator, mimicking the pins found in an Arduino Uno.