Making a Backyard Observatory Replete With Retractable Roof
https://hackaday.com/2025/05/24/making-a-backyard-observatory-replete-with-retractable-roof/

Here’s one for our astronomy geeks. Our hacker [arrow] has made their own observatory! This particular video is a bit over ten minutes long and is basically a montage; there …read more (https://hackaday.com/2025/05/24/making-a-backyard-observatory-replete-with-retractable-roof/)

2025 Pet Hacks Contest: Feline Facial Recognition Foils Food Filching
https://hackaday.com/2025/05/25/2025-pet-hacks-contest-feline-facial-recognition-foils-food-filching/

Cats are no respecters of personal property, as [Joe Mattioni] learned when one of his cats, [Layla] needed a special prescription diet. Kitty didn’t care for it, and since the …read more (https://hackaday.com/2025/05/25/2025-pet-hacks-contest-feline-facial-recognition-foils-food-filching/)

A Quick Introduction to TCP Congestion Control
https://hackaday.com/2025/05/25/a-quick-introduction-to-tcp-congestion-control/

It’s hard to imagine now, but in the mid-1980s, the Internet came close to collapsing due to the number of users congesting its networks. Computers would request packets as quickly …read more (https://hackaday.com/2025/05/25/a-quick-introduction-to-tcp-congestion-control/)

The Commodore 64 Gets An HDMI Upgrade
https://hackaday.com/2025/05/25/the-commodore-64-gets-an-hdmi-upgrade/

The Commodore 64 may remain the best selling computer of all time, but it has one major flaw. It doesn’t have HDMI! That makes it a total pain to use …read more (https://hackaday.com/2025/05/25/the-commodore-64-gets-an-hdmi-upgrade/)

NES Zapper Becomes Telephone
https://hackaday.com/2025/05/25/nes-zapper-becomes-telephone/

Although there was a time in the 80s (and early 90s for fans of the SuperScope) where light guns were immensely popular, with games like DuckHunt cultural touchstones, their time …read more (https://hackaday.com/2025/05/25/nes-zapper-becomes-telephone/)

Unreleased Amiga Hardware Plays MP3s
https://hackaday.com/2025/05/25/unreleased-amiga-hardware-plays-mp3s/

The MP3 file type has been around for so long, and is supported by essentially all modern media software and hardware, that it might be surprising to some to learn …read more (https://hackaday.com/2025/05/25/unreleased-amiga-hardware-plays-mp3s/)

Hackaday Links: May 25, 2025
https://hackaday.com/2025/05/25/hackaday-links-may-25-2025/