Why Wave Energy is the Final Frontier of Renewable Energy
https://hackaday.com/2026/09/17/why-wave-energy-is-the-final-frontier-of-renewable-energy/

With the Earth’s atmosphere being effectively just a less dense fluid than the oceans around us, it’s reasonable to ask why we got wind turbines and wind mills quite literally …read more (https://hackaday.com/2026/09/17/why-wave-energy-is-the-final-frontier-of-renewable-energy/)

Keep Your Back Cool While Others Melt
https://hackaday.com/2026/09/17/keep-your-back-cool-while-others-melt/

With an El Niño event in full swing those of us in the northern hemisphere have just had a roasting hot summer, and those in the southern are about to …read more (https://hackaday.com/2026/09/17/keep-your-back-cool-while-others-melt/)

Your CYD Is Now A Telly
https://hackaday.com/2026/09/17/your-cyd-is-now-a-telly/

The Cheap Yellow Display is an all-in-one ESP32 board with a touchscreen, that’s as the name suggests, cheap. It’s appeared in a great many projects since it emerged from the …read more (https://hackaday.com/2026/09/17/your-cyd-is-now-a-telly/)

Surveillance Camera Security? It’s Completely Flocked!
https://hackaday.com/2026/09/17/surveillance-camera-security-its-completely-flocked/

Surveillance cameras from Flock Safety have become a controversial privacy battleground, as the communities in which they are installed wake up to their sinister potential, and stories roll in of …read more (https://hackaday.com/2026/09/17/surveillance-camera-security-its-completely-flocked/)

Building a DIY Centrifuge For Blood Processing
https://hackaday.com/2026/09/17/building-a-diy-centrifuge-for-blood-processing/

If you want to do certain types of lab work with blood, you’ll need a centrifuge. It’s often possible to find serviceable units on the used market, but they may …read more (https://hackaday.com/2026/09/17/building-a-diy-centrifuge-for-blood-processing/)

TV Audio Tube Makes a Transceiver
https://hackaday.com/2026/09/18/tv-audio-tube-makes-a-transceiver/

It’s not often we see a tube project here, so [Helge Fykse]’s PCL86 transceiver is a welcome find. If you know anything about the European Pro-Electron device naming system you’ll …read more (https://hackaday.com/2026/09/18/tv-audio-tube-makes-a-transceiver/)

Meta Portal Given New Life As Extended Display
https://hackaday.com/2026/09/18/meta-portal-given-new-life-as-extended-display/

The Meta Portal and associated devices are effectively defunct, having been abandoned by the company in 2022. If you’ve still got one at home, you might be wondering what to …read more (https://hackaday.com/2026/09/18/meta-portal-given-new-life-as-extended-display/)