What do you do when you find a ISA Sound Blaster 2.0 card in a pile of scrap? Try to repair the damage on it to give it a second …read more (https://hackaday.com/2025/09/22/reviving-a-scrapped-sound-blaster-2-0-isa-soundcard/)

Play Capacitor Cupid With The Matchmaker
https://hackaday.com/2025/09/23/play-capacitor-cupid-with-the-matchmaker/

Occasionally a design requires capacitors that are much closer to being identical in value to one another than the usual tolerance ranges afford. Precision matching of components from parts on …read more (https://hackaday.com/2025/09/23/play-capacitor-cupid-with-the-matchmaker/)

Heart Rate Measurement via WiFi, The DIY Way
https://hackaday.com/2025/09/23/heart-rate-measurement-via-wifi-the-diy-way/

A few weeks back, we reported on a research group that figured out how to measure heartrate using perturbations in WiFi signals. [Nick Bild] was interested in this so-called “Pulse-Fi” …read more (https://hackaday.com/2025/09/23/heart-rate-measurement-via-wifi-the-diy-way/)

The Impending CRT Display Revival Will Be Televised
https://hackaday.com/2025/09/23/the-impending-crt-display-revival-will-be-televised/

Until the 2000s vacuum tubes practically ruled the roost. Even if they had surrendered practically fully to semiconductor technology like integrated circuits, there was no escaping them in everything from …read more (https://hackaday.com/2025/09/23/the-impending-crt-display-revival-will-be-televised/)

Using Moondream AI to Make Your Pi “See” Like a Human
https://hackaday.com/2025/09/23/using-moondream-ai-to-make-your-pi-see-like-a-human/

[Jaryd] from Core Electronics shows us human-like computer vision with Moondream on the Pi 5. Using the Moondream visual language model, which runs directly on your Raspberry Pi, and not …read more (https://hackaday.com/2025/09/23/using-moondream-ai-to-make-your-pi-see-like-a-human/)

2025 Hackaday Superconference: Announcing our Workshops and Tickets
https://hackaday.com/2025/09/23/2025-hackaday-superconference-announcing-our-workshops-and-tickets/

Can you feel the nip of fall in the air? That can only mean one thing: Supercon is just around the corner. The next few weeks are going to bring …read more (https://hackaday.com/2025/09/23/2025-hackaday-superconference-announcing-our-workshops-and-tickets/)

Automatic Feeder Keeps Fish Sated
https://hackaday.com/2025/09/23/automatic-feeder-keeps-fish-sated/

[Noisy Electrons] is a maker who also likes to keep fish. He sometimes needs to travel and keep his fish fed in the meantime, so he created an automated solution …read more (https://hackaday.com/2025/09/23/automatic-feeder-keeps-fish-sated/)

Calculator Battery Mod Lets You Go the Distance
https://hackaday.com/2025/09/23/calculator-battery-mod-lets-you-go-the-distance/