Maintaining or administering a computer system remotely is a common enough task these days, but it’s also something that can go sideways on you quickly if you aren’t careful. How …read more (https://hackaday.com/2023/04/21/before-you-sudo-rm-rf-take-some-precautions/)

Air Hockey Solitaire
https://hackaday.com/2023/04/22/air-hockey-solitaire/

While air hockey is a fine amusement, it isn’t much fun if you can’t find someone to play against. Unless that is, you build a mini table with a robotic …read more (https://hackaday.com/2023/04/22/air-hockey-solitaire/)

NFC Antennas Have Other Uses
https://hackaday.com/2023/04/22/nfc-antennas-have-other-uses/

As NFC chips proliferate, so do the antennas they require for operation, and since many NFC-enabled items are single-use, this means there’s an opportunity to put them to other uses. …read more (https://hackaday.com/2023/04/22/nfc-antennas-have-other-uses/)

The Freedom to Fail
https://hackaday.com/2023/04/22/the-freedom-to-fail/

When you think of NASA, you think of high-stakes, high-cost, high-pressure engineering, and maybe the accompanying red tape. In comparison, the hobby hacker has a tremendous latitude to mess up, …read more (https://hackaday.com/2023/04/22/the-freedom-to-fail/)

Build Your Own Bootable Emacs Environment
https://hackaday.com/2023/04/22/build-your-own-bootable-emacs-environment/

An old joke is that Emacs is a text editor with an operating system included, given that its extensibility and customization often goes far beyond traditional text editors. Part of …read more (https://hackaday.com/2023/04/22/build-your-own-bootable-emacs-environment/)

Op Amp Contest: Clever Continuity Tester Tells you Where the Problem is
https://hackaday.com/2023/04/22/op-amp-contest-clever-continuity-tester-tells-you-where-the-problem-is/

A continuity tester, as found on most multimeters today, is a great tool for finding broken connections and short circuits. But once you’ve found a short, it’s up to you …read more (https://hackaday.com/2023/04/22/op-amp-contest-clever-continuity-tester-tells-you-where-the-problem-is/)

Tiny Three-Tube Receiver Completes Spy Radio Suite
https://hackaday.com/2023/04/22/tiny-three-tube-receiver-completes-spy-radio-suite/

In our surface-mount age, it’s easy to be jaded about miniaturization. We pretty much expect every circuit to be dimensionally optimized, something that’s easy to do when SMDs that rival …read more (https://hackaday.com/2023/04/22/tiny-three-tube-receiver-completes-spy-radio-suite/)

A Delicious Advancement in Battery Tech
https://hackaday.com/2023/04/22/a-delicious-advancement-in-battery-tech/

Electronics have been sent to some pretty extreme environments, but inside a living host is a particularly tricky set of conditions, especially if you don’t want to damage the organism …read more (https://hackaday.com/2023/04/22/a-delicious-advancement-in-battery-tech/)