IBM mainframes are known for very unusual terminals. But IBM made many different things, including the IBM 3151 ASCII terminal, which uses a cartridge to emulate a VT220 terminal. [Norbert …read more (https://hackaday.com/2025/04/08/ascii-to-mainframe/)

Dozens of Solenoids Turn Vintage Typewriter into a Printer
https://hackaday.com/2025/04/08/dozens-of-solenoids-turn-vintage-typewriter-into-a-printer/

An electric typewriter is a rare and wonderful thrift store find, and even better if it still works. Unfortunately, there’s not as much use for these electromechanical beauties, so if …read more (https://hackaday.com/2025/04/08/dozens-of-solenoids-turn-vintage-typewriter-into-a-printer/)

Salamander Robot is Squishy
https://hackaday.com/2025/04/08/salamander-robot-is-squishy/

If you want to get started in microfluidic robotics, [soiboi soft’s] salamander is probably too complex for a first project. But it is impressive, and we bet you’ll learn something …read more (https://hackaday.com/2025/04/08/salamander-robot-is-squishy/)

Better Bearings Take the Wobble Out of Premium Scroll Wheel
https://hackaday.com/2025/04/09/better-bearings-take-the-wobble-out-of-premium-scroll-wheel/

Sitting in front of a computer all day isn’t exactly what the firmware between our ears was tuned to do. We’re supposed to be hunting and gathering, not hunting and …read more (https://hackaday.com/2025/04/09/better-bearings-take-the-wobble-out-of-premium-scroll-wheel/)

Forget Propellers, Embrace Tentacle-based Locomotion
https://hackaday.com/2025/04/09/forget-propellers-embrace-tentacle-based-locomotion/

Underwater robots face many challenges, not least of which is how to move around. ZodiAq is a prototype underwater soft robot (link is to research paper) that takes an unusual approach …read more (https://hackaday.com/2025/04/09/forget-propellers-embrace-tentacle-based-locomotion/)

In 2025, The Philly Maker Faire Finds Its Groove
https://hackaday.com/2025/04/09/in-2025-the-philly-maker-faire-finds-its-groove/

The first Philadelphia Maker Faire was extremely impressive, and seemed poised to be one of the premier maker events on the East Coast. Unfortunately, it had the misfortune of happening …read more (https://hackaday.com/2025/04/09/in-2025-the-philly-maker-faire-finds-its-groove/)

Self-Hosting a Cluster on Old Phones
https://hackaday.com/2025/04/09/self-hosting-a-cluster-on-old-phones/

The phones most of us carry around in our pockets every day hold a surprising amount of computing power. It’s somewhat taken for granted now that we can get broadband …read more (https://hackaday.com/2025/04/09/self-hosting-a-cluster-on-old-phones/)

You Shouldn’t Build an X-Ray Machine, But You Could
https://hackaday.com/2025/04/09/you-shouldnt-build-an-x-ray-machine-but-you-could/

Ever wanted your own X-ray machine? Of course you have! Many of us were indoctrinated with enticing ads for X-ray specs and if you like to see what’s inside things, …read more (https://hackaday.com/2025/04/09/you-shouldnt-build-an-x-ray-machine-but-you-could/)