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:
- Recently [Kerry Wong] had one of his Cyclenbatt LiFePO4 batteries die after only a few dozen cycles, with a normal voltage still present on the terminals. One of the symptoms …read more
- For those of us who hack old cameras, the 3D printer has undoubtedly been a boon. High precision, or at least consistent precision, lightproof enclosures can be easily made and …read more
- Electro-permanent magnets (EPMs) are pretty nifty concepts, and if you aren’t familiar with them, they are permanent magnets with the ability to be electrically switched on or off. Unlike an …read more
- You know what they say — you can’t keep a good website down. OldVersion.com, the repository of outdated software that has been serving up old versions of tools you need …read more
- NASA is going back to the Moon! We’ll follow the crew of Artemis II every step of the way. Day 1 – Liftoff! After resolving a last-minute communications issue with …read more
- According to a Gallup survey from 2024, 57% of Americans say they would feel better if they got more sleep. And though some countries are better in that regard, lack of satisfying sleep is a problem everywhere. But the problem may not be the amount of time you’re in bed and may actually be about […]
- Is there any artist that wouldn’t love to have a magic spray paint can that changes to any desired color on demand? Imagine the murals you could paint! Well, Sandesh Manik is a genius who actually achieved that with Spectrum. Spectrum is an on-demand spray paint-mixing machine worn like a backpack. Just adjust the ratios […]
- Amidst the flurry of Arduino Days 2026 announcements, don’t miss the release of our annual look back at the open-source ecosystem we all build together! The 2025 Arduino Open Source Report is now available (just click to download here), documenting another incredible year of contributions from both the Arduino team and the global community of […]
- Arduino Days is a great moment to celebrate our community – and what better way to party than with a new product… or seven! During the first day of the event, our team took turns to introduce a variety of accessories and compatible boards you can use in combination with UNO Q and many other elements […]
- We can all agree that mosquitoes are the worst thing ever. Not only are they incredibly irritating, but they’re also dangerous. In fact, mosquitoes kill more humans than any other creature, because they spread so much disease. But despite our collective best efforts, the little insects persist. If you’re ready to get rid of your […]
- Dolby Atmos and spatial audio might look like great listening modes on paper, but these listening modes could be ruining sound quality.
- Android phones send a lot of personal data to Google, but you can reclaim it by changing a few settings.
- Do your favorite games feel sluggish on your display? Try switching on this feature.
- Mirrors are for more than just checking your face before leaving home.
- These file sorting apps make file organization a breeze.
- Jet-powered skis were an impractical idea that lived in my head for years. I just needed to know if it could be done. The post Skiing on Jet Power appeared first on Make: DIY Projects and Ideas for Makers.
- In the world of experiential entertainment, few concepts have captured the imagination quite like escape rooms. But James Hopkin and Eric Mittler, the creative minds behind Game On in Berkeley, California, are pushing the boundaries of what these immersive environments can be. Rather than static, one-time experiences, Game On offers a cooperative challenge center that […]
- We recently had the chance to sit down with cinematographer John Brown to talk about his incredible macro work, the challenges of filming tiny creatures, and how technology is shaping the future of natural history filmmaking. John has been making films for about 30 years, and his soon to be releasing project on James Cameron’s […]
- Serial servos have big advantages over PWM hobby servos. Learn how to use them with our Oxocard microcontroller! The post Discover Smart Servos with the Oxocard Connect appeared first on Make: DIY Projects and Ideas for Makers.
- We reviewed the Flashforge AD5X and discovered it's an excellent first multi-material printer, or even a first 3D printer, period. The post Flashforge AD5X Is a Best-Selling Printer for a Reason appeared first on Make: DIY Projects and Ideas for Makers.