As we learn more about all the nasty stuff floating in the air, it becomes more compelling to monitor the air for pollution levels. [Aleksei Tertychnyi] does just that with …read more (https://hackaday.com/2026/04/24/2026-green-powered-challenge-solar-powered-pollution-monitor/)

A Smart Thermostat For 120V Fan Coil Systems
https://hackaday.com/2026/04/24/a-smart-thermostat-for-120v-fan-coil-systems/

Many HVAC systems in North America operate off 24V systems, which can be readily upgraded with off-the-shelf  smart thermostats quite easily. However, there are many people living in buildings with …read more (https://hackaday.com/2026/04/24/a-smart-thermostat-for-120v-fan-coil-systems/)

Audio-Forward Case Mod of Classic 90s Portable TV
https://hackaday.com/2026/04/24/audio-forward-case-mod-of-classic-90s-portable-tv/

The humble cathode ray tube (CRT) was once the technology behind almost all of our televisions and computer displays. Its replacements, from LCD screens to OLED and others, are generally …read more (https://hackaday.com/2026/04/24/audio-forward-case-mod-of-classic-90s-portable-tv/)

Muon Magnetic Moment Matches Model, Making Major Malaise
https://hackaday.com/2026/04/24/muon-magnetic-moment-matches-model-making-major-malaise/

Sometimes, a major discovery is exactly what you were hoping not to find. That’s the case with a team at Penn State who seem to have recently closed the door …read more (https://hackaday.com/2026/04/24/muon-magnetic-moment-matches-model-making-major-malaise/)

How to Install Haiku on a UEFI-Only Modern System
https://hackaday.com/2026/04/24/how-to-install-haiku-on-a-uefi-only-modern-system/

Recently Haiku has become a bit of a popular subject of articles and videos, owing perhaps to how close it currently is to be a daily-driver OS and fulfilling the …read more (https://hackaday.com/2026/04/24/how-to-install-haiku-on-a-uefi-only-modern-system/)

3D Print This Retro Desktop Case
https://hackaday.com/2026/04/25/3d-print-this-retro-desktop-case/

Once upon a time, not every computer lived in a vertical “tower” case. Many decades back a horizontal arrangement was a popular choice, sometimes just referred to as the “desktop” …read more (https://hackaday.com/2026/04/25/3d-print-this-retro-desktop-case/)

Rescuing the Data on a 1960s LGP-21 Computer’s Disk Memory
https://hackaday.com/2026/04/25/rescuing-the-data-on-a-1960s-lgp-21-computers-disk-memory/

One of the nice things about magnetic storage is that as long as the magnetic layer remains intact, the data it contains should stay readable pretty much indefinitely. That raises …read more (https://hackaday.com/2026/04/25/rescuing-the-data-on-a-1960s-lgp-21-computers-disk-memory/)

Time Frog Color is a Game Boy Color on Your Wrist
https://hackaday.com/2026/04/25/time-frog-color-is-a-game-boy-color-on-your-wrist/