Articles
The brightest filament on the market? I checked it. It shines for 12 hours.
Prusa3D has released a new filament, and it’s not just any filament. It’s said to be the brightest on the market. I bought a sample and tried it out. You…
Open-source project for measuring indoor air quality with Home Assistant support.
A project for measuring air quality in homes, offices, or schools based entirely on open-source products, with support for home automation via Home Assistant. It provides a comprehensive analysis of…
Project of a multi-channel spectral analyzer for public lighting.
Public lighting, light pollution, circadian rhythm, blue component – these terms have been frequently discussed lately. Sodium lamps are being replaced by LED sources, which save energy but have downsides,…
Visit to the proton center at a time when it’s usually not accessible. Photo gallery.
We had a unique opportunity to see the Proton Center Prague – PTC during its downtime. This allowed us to literally look inside the cyclotron and the treatment room, as…
I tried the FNIRSI DMC-100 clamp multimeter.
I got my hands on a clamp multimeter – it measures AC/DC current using a sensor in the clamps, and through the terminals, it measures voltage, resistance, diodes, and more.…
We are learning to use automated image detection with AI. Real application on OnlyBirds.cz.
Object, animal, or person detection can be easily accomplished today thanks to AI. Michal Ševčík wrote this article for his project OnlyBirds – bird detection. The same knowledge can be…
USB-C, myths and nonsense.
An article about USB-C was published on HN, and I simply have to respond. Besides a few inaccuracies, there has also been a wave of nonsense and myths on social…
New hobby? Let’s measure the radioactivity of objects and natural materials. Why, how, and with what?
Measuring ionizing radiation (generally radiation) is relevant today not only for experts but also for enthusiasts or collectors of minerals and antiques. Ionizing radiation is invisible, imperceptible, and that makes…
How I revived a dead adjustable power supply RIDEN RD6006 and uploaded the latest alternative firmware. It also works on models RD6006P, RD6012, and RD6018.
I got my hands on a “dead” adjustable power supply, the RIDEN RD6006. Upon powering it on, it showed no signs of life. So, I set out to revive it,…
New Prusa CORE One L printer – larger print area, nearly the same size. And another new feature as well.
New printer from Prusa Research: Core One L – double printing volume, more uniform bed heating, support for OpenPrintTag, and other great features.
