Welcome
This is homepage of ham radio station oh5hba. Info about me and my station, which may interest other ham operators can be found thru menu. This page contains links that I use often in my everyday life. Reason for this site is just for own fun and it helps to find important things when i’m not at my own computer.
Interesting news feeds from different sources:
- It’s official, we’re living in the future. Certainly that’s the only explanation for how [wrongbaud] was able to write a three-part series of posts on hacking a cheap electric toothbrush …read more
- First of all, we’d like to give a big shout-out to [Afrotechmods]! After a long hiatus, he has returned to YouTube with an awesome new video all about op-amp characteristics, …read more
- One of the most exciting trends we’ve seen over the last few years is the rise of truly personal computers — that is, bespoke computing devices that are built by …read more
- Early photography lacked the convenience of the stable roll film we all know, and instead relied on a set of processes which the photographer would have to master from film …read more
- Lord Vetinari from the Discworld series is known for many things, but perhaps most of all a clock that doesn’t quite keep continuous time. Instead, it ticks away at random …read more
- Safes are designed specifically to be impenetrable — that’s kind of the whole point. That’s great when you need to protect something, but it is a real problem when you forget the combination to your safe or when a safe’s combination becomes lost to history. In such situations, Charles McNall’s safe-cracking autodialer device can help. […]
- We call them “deck builders” for a reason: because players end up with huge piles of trading cards. They can get difficult to manage, which is why the ManaBox app exists for Magic: The Gathering. It lets collectors scan and log their decks, which is handy for everything from finding market values to optimizing deck builds. […]
- When you want to paint the walls in your bedroom that very specific shade of Misty Irish Green, all you have to do is head to your local hardware store and have them scan the corresponding card. The paint-mixing machine will then add the pigment to a white base and, a few minutes later, you […]
- While professionals around the world take advantage of Arduino products and the extensive ecosystem, the core Arduino philosophy is to simplify complex technology. A bare microcontroller is intimidating to the uninitiated, but an Arduino development board is friendly and approachable. MIT Sea Grant is harnessing that in their new SeaPerch II underwater ROV (remotely operated […]
- Nitrogen is critical for farming at scale and without some form of nitrogen to enrich the soil, we couldn’t grow staple crops efficiently enough to feed our large global population. Serious science goes into the production of fertilizers and the Birkeland-Eyde process was one early example. It uses electrical arcs to turn nitrogen in the […]
- It’s not worth risking your privacy!
- An underrated browser has some tricks up its sleeve this April Fools' Day.
- AI reasoning models are absolutely incredible, so long as you know how to ask the right questions.
- You might be saving money with a cheaper network provider, but you're often losing something else.
- When one door closes, another opens.
- Maria Venegas makes adorable 3D-printed animal nightlights that look hand-carved. The post Maker Spotlight: The Whimsical Creations of Maria Venegas appeared first on Make: DIY Projects and Ideas for Makers.
- alt.ctrl.GDC 2025 featured games with pirate ships, evil corporations, a giant cat butt, and limbs with a mission. The post Bouncing, Slashing, and Battering at alt.ctrl.GDC appeared first on Make: DIY Projects and Ideas for Makers.
- Open Hardware Summit 2025 is May 30th and 31st! Celebrate open source hardware with spectacular speakers, wonderful workshops, and premium performers. The post Open Hardware Summit 2025 Is Headed for Edinburgh appeared first on Make: DIY Projects and Ideas for Makers.
- In 1807, Humphry Davy invented an arc light so bright, it was dangerous to look at for more than a split second. Making your own isn't too much trouble. The post Remaking History: Humphry Davy and the Arc Light appeared first on Make: DIY Projects and Ideas for Makers.
- Arduino Days are back once again for 2025! Celebrate 20 years of everyone’s favorite dev board. The post Arduino Days Are Back for 2025 appeared first on Make: DIY Projects and Ideas for Makers.