Tutorials
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,…
Dashboard on the status of Alfa Romeo Giulia and Stelvio with ESP32.
I don’t have an Alfa, but I came across the GiuliaAndStelvioDPFMonitor project, designed for owners of diesel Alfa Romeo Giulia and Stelvio 2.2. It’s a dashboard project that reads various…
The new adjustable power supply RIDEN is coming, along with a new feature that everyone will appreciate. Absolutely everyone.
RIDEN’s adjustable power supplies are among the best that hobbyists can buy in this price range for home and semi-professional use. They offer great performance, compact size, updated and alternative…
Internet radio receiver with ESP32. Complete guide including 3D printing. Home Assistant support included.
The YoRadio project is an open-source internet radio built on the ESP32 Wi-Fi and Bluetooth chip with the ESP32-audioI2S library. It features complete documentation, a wide range of supported displays,…
We program ultra-low-cost microcontrollers CH32V00x both in Arduino IDE and without it (Linux). Guide.
CH32V microcontrollers – you’ve probably heard of them. They are sold at a ridiculously low price but come with a very decent set of features, plus they are available in…
CO2 sensors from Sensirion. SCD30, SCD40, or STCC4? Which sensor is suitable for home use?
Sensirion, a leading manufacturer of various sensors, offers multiple types of sensors for measuring CO2 concentration. This article will explore the differences, advantages, and the best sensor for battery operation.
Flipper Zero, Keysy, Proxmark? Forget about them, now there’s Chameleon Ultra. An RFID emulator that can do a lot.
The Chameleon Ultra is a compact RFID emulator that can clone LF (125 kHz) and HF (13.56 MHz) cards. It can read, write, and be used as a communication analyzer.…
Converter for numerical systems between HEX, DEC, and BIN – ad-free, button-free, and intuitive.
There are plenty of converters between HEX, DEC, and BIN number systems everywhere. Some do this, others do that, and some have ads everywhere, making it hard to navigate their…
