It's Getting Hot: We Explore the Peltier Element and Build a Refrigerator
Hot summer is approaching, so various methods for cooling food, appliances, and even indoor air are becoming highly relevant. Of course, you can use standard mains-powered…
Electronics: News, Reviews, and Trends
Top Electronics Gadgets of 2024
Catching time in DCF77 format
In the comments to the exact time server, it was suggested to add DCF77 as another time source in addition to NTP and GPS. And I finally made it, although as a separate…
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…
Swing Sets for Adults - Oscillating Circuit
It seems that most of us swung on "swings" as children :-), while some, even in adulthood, do not cease this activity — and we will not be talking about base jumping…
About Industrial High-Speed Methods of Soldering Printed Circuit Boards and More
In the previous article, we touched on an interesting topic in the production of printed circuit boards, such as the creation of solder masks using screen printing (strictly…
DIY CO2 Laser CNC Machine Electronics
When I was assembling my first CNC laser, all the guides on DIY machine electronics were on YouTube. Only videos. In real assembly, it's a torture. Find the right moment.…
Metallic Glasses for Electronics and Beyond: Patent Analysis
Metallic glasses are a class of metallic solids with an amorphous structure. Unlike conventional metals with their crystalline structure, the structure of amorphous metals…
How to Increase Voltage?
In the previous articles, we examined interesting high-voltage devices, mainly of the electrostatic kind — electrophorus machines: school models, Van de Graaff generators,…
My first DIY gadget: Reaction game for two players on ATmega328P
Hello! This project was an important step for me into the world of embedded development: my first device with a fully custom printed circuit board designed from scratch…
Synthesizer on PSP with MIDI Keyboard Connection
I created a synthesizer on the PSP controlled by MIDI! The application is as simple as possible, with 4 voices, an envelope, a filter, and the ability to save 5 presets.…
Dreamcast VMU vs modern gamer accessories: evolution of "second screens"
Hello, console fans!
Five Curious E-Ink Devices — from Laptops to Wall Screens
Hello, tekkix residents! This is Viktor Sergeev from the MTS Digital special projects team. I brought you a note about your boy's selection of interesting new E-Ink products.…
How I tested the WSPR beacon
Summer 2024, not much time has passed since my WSPR beacon project reached the release version. But tests, where are the tests? After all, the device, no matter how useful…
How to make a CI-V cable to control the Icom IC-R20 receiver
Hello, tekkix! This is Anton Komarov, the author of the MTS Digital special projects team. My interest in radio woke up a long time ago, ever since a friend showed me…
Why and how neural networks are taught to be humane
We used to expect that machines would replace us in simple mechanical work, but areas such as art would always remain with humans. Now this statement can already be disputed.…
Laptop with two screens or two screens for a laptop — which one would you choose?
tekkix, hello! This is Anton Komarov, author of the special projects team at MTS Digital. Today we will talk about GPD Duo: what kind of laptop is it and is it worth…
Resistor — it's simple. Not very
This note will be dedicated to such a simple thing as a variable wire resistor. But not so simple, from this family. At the moment when I thought that I already knew…
Interactive BASIC for Arduino and STM32
This project was developed for classes with schoolchildren - so that in the lesson you could program controllers, including via Bluetooth from a phone - with an interactive…