If there’s anything people hate more than being locked into a printer manufacturer’s replacement cartridges, it’s proprietary batteries. Cordless power tools are the obvious example in this space, but there …read more (https://hackaday.com/2023/11/21/lipo-replacement-keeps-portable-scanner-in-the-action/)

Keebin’ with Kristina: the One With the Duplex Typewriter
https://hackaday.com/2023/11/21/keebin-with-kristina-the-one-with-the-duplex-typewriter/

The Coleco Adam? A not-so-great home computer that likely contributed to the downfall of the company. The keyboard, however, is a different story, and worth repurposing. [Nick Bild] has created …read more (https://hackaday.com/2023/11/21/keebin-with-kristina-the-one-with-the-duplex-typewriter/)

PicoGUS: For All Your ISA Sound Card Needs
https://hackaday.com/2023/11/21/picogus-for-all-your-isa-sound-card-needs/

Sound cards used to be a big part of gaming machines in the 90s and 2000s but have largely gone extinct in the wake of powerful CPUs doing the sound …read more (https://hackaday.com/2023/11/21/picogus-for-all-your-isa-sound-card-needs/)

How to Talk to Your Scope
https://hackaday.com/2023/11/21/how-to-talk-to-your-scope/

It used to be only high-end test equipment that had some sort of remote control port. These days, though, they are quite common. Historically, test gear used IEEE-488 (also known …read more (https://hackaday.com/2023/11/21/how-to-talk-to-your-scope/)

Computer Gear with — um — Gears
https://hackaday.com/2023/11/21/computer-gear-with-um-gears/

Analog computers have been around in some form for a very long time. One very obvious place they were used was in military vehicles. While submarine fire computers and the …read more (https://hackaday.com/2023/11/21/computer-gear-with-um-gears/)

Simple CMOS Circuit Allows Power and Data Over Twisted-Pair Wiring
https://hackaday.com/2023/11/21/simple-cmos-circuit-allows-power-and-data-over-twisted-pair-wiring/

If you need to send data from sensors, there are plenty of options, including a bewildering selection of wireless methods. Trouble is, most of those protocols require a substantial stack …read more (https://hackaday.com/2023/11/21/simple-cmos-circuit-allows-power-and-data-over-twisted-pair-wiring/)

Building An Animated Turn Signal For The Mazda MX-5
https://hackaday.com/2023/11/21/building-an-animated-turn-signal-for-the-mazda-mx-5/

Turn signals in most of the world are mandated to be a flashing orange light, distinct from other bulbs on a vehicle. However, there has been a trend in the …read more (https://hackaday.com/2023/11/21/building-an-animated-turn-signal-for-the-mazda-mx-5/)

A Colorful Take on the E-Ink Photo Frame
https://hackaday.com/2023/11/21/a-colorful-take-on-the-e-ink-photo-frame/