These days Bluetooth-based gadgets are everywhere, including for car and solar batteries. After connecting them up to the battery, you download the accompanying app on your smartphone, open it up …read more (https://hackaday.com/2023/06/27/bluetooth-battery-monitors-that-also-monitor-your-position-without-asking/)

Build a Tesla Coil With Just Three Components
https://hackaday.com/2023/06/27/build-a-tesla-coil-with-just-three-components/

Tesla coils are beautiful examples of high voltage hardware, throwing sparks and teaching us about all kinds of fancy phenomena. They can also be quite intimidating to build. [William Fraser], …read more (https://hackaday.com/2023/06/27/build-a-tesla-coil-with-just-three-components/)

An ESP In Your Mini TV
https://hackaday.com/2023/06/28/an-esp-in-your-mini-tv/

When miniature LCD TVs arrived on the market they were an object of desire, far from the reach of tech-obsessed youngsters. Now in the age of smartphones they’re a historical …read more (https://hackaday.com/2023/06/28/an-esp-in-your-mini-tv/)

Custom Keyboard Built For Diablo 3 Action
https://hackaday.com/2023/06/28/custom-keyboard-built-for-diablo-3-action/

Custom mechanical keyboards are a great way to show off your passion and skill for electronics and design. They’re also perfect when you need to optimize your setup for a …read more (https://hackaday.com/2023/06/28/custom-keyboard-built-for-diablo-3-action/)

Earth’s Final Frontier: Exploring The Alien Depths of the Earth’s Oceans
https://hackaday.com/2023/06/28/earths-final-frontier-exploring-the-alien-depths-of-the-earths-oceans/

Despite how hostile to life some parts of the Earth’s continents are, humanity has enthusiastically endeavored over the course of millennia to establish at least a toehold on each of …read more (https://hackaday.com/2023/06/28/earths-final-frontier-exploring-the-alien-depths-of-the-earths-oceans/)

Field Testing a Home Made WiFi antenna
https://hackaday.com/2023/06/28/field-testing-a-home-made-wifi-antenna/

Most readers will be aware that a good way to extend WiFi range is to use a better antenna for those 2.4 GHz signals, but at the same time such …read more (https://hackaday.com/2023/06/28/field-testing-a-home-made-wifi-antenna/)

Democratizing Space, One Picosatellite at a Time
https://hackaday.com/2023/06/28/democratizing-space-one-picosatellite-at-a-time/

There was a time when putting an object into low Earth orbit was the absolute pinnacle of human achievement. It was such an outrageously expensive and complex undertaking that only …read more (https://hackaday.com/2023/06/28/democratizing-space-one-picosatellite-at-a-time/)

You Can 3D Print a 12,500 RPM Brushless Motor
https://hackaday.com/2023/06/28/you-can-3d-print-a-12500-rpm-brushless-motor/