Heart Rate Monitoring via WiFi
https://hackaday.com/2025/09/05/heart-rate-monitoring-via-wifi/

Before you decide to click away, thinking we’re talking about some heart rate monitor that connects to a display using WiFi, wait! Pulse-Fi is a system that monitors heart rate …read more (https://hackaday.com/2025/09/05/heart-rate-monitoring-via-wifi/)

This Week in Security: DNS Oops, Novel C2s, and the Scam Becomes Real
https://hackaday.com/2025/09/05/this-week-in-security-dns-oops-novel-c2s-and-the-scam-becomes-real/

Something rather significant happened on the Internet back in May, and it seems that someone only noticed it on September 3rd. [Youfu Zhang] dropped a note on one of the …read more (https://hackaday.com/2025/09/05/this-week-in-security-dns-oops-novel-c2s-and-the-scam-becomes-real/)

Estes Wants You to 3D Print Their New Model Rocket
https://hackaday.com/2025/09/05/estes-wants-you-to-3d-print-their-new-model-rocket/

The Estes line of flying model rockets have inspired an untold number of children and adults alike, thanks in part to their simplicity. From the design and construction of the …read more (https://hackaday.com/2025/09/05/estes-wants-you-to-3d-print-their-new-model-rocket/)

Hackaday Podcast Episode 336: DIY Datasette, Egg Cracking Machine, and Screwing 3D Prints
https://hackaday.com/2025/09/05/hackaday-podcast-episode-336-diy-datasette-egg-cracking-machine-and-screwing-3d-prints/

Thunderstorms were raging across southern Germany as Elliot Williams was joined by Jenny List for this week’s podcast. The deluge outside didn’t stop the hacks coming though, and we’ve got …read more (https://hackaday.com/2025/09/05/hackaday-podcast-episode-336-diy-datasette-egg-cracking-machine-and-screwing-3d-prints/)

Psst… Got a Second? Here Are the 2025 One-Hertz Challenge Winners
https://hackaday.com/2025/09/05/psst-got-a-second-here-are-the-2025-one-hertz-challenge-winners/

Even with teachers with names like Kirchhoff and Helmholtz, old Heinrich Hertz himself likely didn’t have the slightest idea that his name would one day become an SI unit. Less …read more (https://hackaday.com/2025/09/05/psst-got-a-second-here-are-the-2025-one-hertz-challenge-winners/)

Engineering for Slow Internet Even When Not Stuck in Antarctica
https://hackaday.com/2025/09/05/engineering-for-slow-internet-even-when-not-stuck-in-antarctica/

With the days of dial-up and pitiful 2G data connections long behind most of us, it would seem tempting to stop caring about how much data an end-user is expected …read more (https://hackaday.com/2025/09/05/engineering-for-slow-internet-even-when-not-stuck-in-antarctica/)

Dialing It In: A 3D-Printed Knob with Touchscreen Flair
https://hackaday.com/2025/09/05/dialing-it-in-a-3d-printed-knob-with-touchscreen-flair/