Usually the business card itself is the reminder to get in contact with whoever gave it to you. But this is Hackaday, after all. This solar-powered card reminds the recipient …read more (https://hackaday.com/2024/07/08/2024-business-card-challenge-a-very-annoying-business-card-indeed/)

Keyboard Contains Entire Mini PC, Just BYOD
https://hackaday.com/2024/07/08/keyboard-contains-entire-mini-pc-just-byod/

When we talk about keyboards that do it all, we usually mean either big ones with lots of keys and doodads like rotary encoders and displays, or small ones with …read more (https://hackaday.com/2024/07/08/keyboard-contains-entire-mini-pc-just-byod/)

Open Source High Speed SiGe IC Production For Free!
https://hackaday.com/2024/07/08/open-source-high-speed-sige-ic-production-for-free/

https://www.elektronikforschung.de/bilder/foerderung/moduleqnc.jpg
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2024/07/moduleqnc-featured.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2024/07/moduleqnc-featured.png?w=800">We’ve covered the Tiny Tapeout project a few times on these pages, and while getting your digital IC design out there onto actual silicon for a low cost is super …read more (https://hackaday.com/2024/07/08/open-source-high-speed-sige-ic-production-for-free/)

Going Ham Mobile on a Bicycle
https://hackaday.com/2024/07/08/going-ham-mobile-on-a-bicycle/

It’s said that “Golf is a good walk spoiled,” so is attaching an amateur radio to a bike a formula for spoiling a nice ride? Not according to [Wesley Pidhaychuk …read more (https://hackaday.com/2024/07/08/going-ham-mobile-on-a-bicycle/)

Making EV Motors, And Breaking Up with Rare Earth Elements
https://hackaday.com/2024/07/09/making-ev-motors-and-breaking-up-with-rare-earth-elements/

Rare earth elements are used to produce magnets with very high strength that also strongly resist demagnetization, their performance is key to modern motors such as those in electric vehicles …read more (https://hackaday.com/2024/07/09/making-ev-motors-and-breaking-up-with-rare-earth-elements/)

Samsung Killed The Online Service, This 20 Dollar Dongle Brings It Back
https://hackaday.com/2024/07/09/samsung-killed-the-online-service-this-20-dollar-dongle-brings-it-back/

Around 2010 or so, Samsung cameras came with an online service: Social Network Services. It enabled pictures to be unloaded wirelessly to social media with minimum hassle, which back then …read more (https://hackaday.com/2024/07/09/samsung-killed-the-online-service-this-20-dollar-dongle-brings-it-back/)

Solar Dynamics Observatory: Our Solar Early Warning System
https://hackaday.com/2024/07/09/solar-dynamics-observatory-our-solar-early-warning-system/

Ever since the beginning of the Space Age, the inner planets and the Earth-Moon system have received the lion’s share of attention. That makes sense; it’s a whole lot easier …read more (https://hackaday.com/2024/07/09/solar-dynamics-observatory-our-solar-early-warning-system/)