Split-flap displays are a great, low-power way to display text to a wide audience. Compared to other display technologies ...
My $35 server works harder than some PCs.
The A8PicoCart is a multi-cart for the Atari 8-bit (XL/XE) which you can make at home with only basic soldering skills. It is based on my earlier UnoCart design but uses a very inexpensive Raspberry ...