Articles
100 IoT Projects in 100 Days: ESP32, ESP8266 & Raspberry Pi Pico Projects
Open-source repo with 100+ IoT projects for ESP32, ESP8266, and Raspberry Pi Pico in MicroPython. Smart irrigation, RFID lock, gas detection, WiFi robot, and weather station—with code and wiring.
Hacking the PY32: Extracting Firmware from a Cheap AliExpress LED Toy
We used AI to hack a toy from AliExpress. We identified the type and tried connecting to its memory to read it. Although it didn’t work, I gained a lot…
ESP32 Chip Comparison: Which to Choose for Your Project
ESP32, S2, S3, C3, C6, H2, C5, P4 and the upcoming S31 – which chip to choose for your project? Comparative peripherals table, use-case decision tree, software platforms overview, and…
Wokwi — ESP32, Arduino, and STM32 Simulator Directly in the Browser and VS Code (2025)
To start playing around and programming with Arduino Uno, ESP32, or Raspberry Pi Pico, you don’t necessarily need to have them on your desk.
Portable soldering iron Sequre SI012 Pro Max – what is it like?
I bought a soldering iron for testing, a complete set, from the company Sequre – specifically the SI012 Pro Max model. I was and still am very impressed with the…
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.…
