Monitoring LTE Modems: Huawei B535-232a
In the previous article, I talked about my app that allows monitoring signal levels and internet types on smartphones and some router models working with mobile internet.…
DIY - Articles for April 2026 year
Read interesting articles and reviews for April 2026 year. Analysis of key events in the "DIY" sector
Power Supply Repair with Power Delivery. 470 grams of electronics
I don't like writing about tech repairs, as it's usually routine. The most common hardware issues are aging, overheating, overloads, moisture, and so on.
Simple emergency button for the elderly
Recently, my mom has found it difficult to use a mobile phone, mainly due to vision problems. Even the simplest mobile phone required unlocking, selecting the right menu…
A Few Interesting Facts About Ultrasound
Many things have existed in nature for a long time, however, when people discover them, they often come up with quite curious new uses for them — and ultrasound is no…
DIY: Creating New Components in LibrePCB
When designing boards in any software, you sometimes need components that are not included in the standard package, such as a connector of unusual size or a pre-made…
Windows Recall Alternative on Linux
I created a simple Windows Recall alternative on Linux, showing what I achieved and how it works.
Concentration Generator/Power Supply
Today, we will talk about another interesting method of generating electricity — concentration-based, where electricity can be extracted from the difference in ion concentration…