News
Don’t Throw Them Away! 7 Ideas for Giving Empty Prusament Spools a Second Life
Anyone who 3D prints knows the feeling: the filament runs out, leaving you with a sturdy plastic spool. What to do with it? The new generation of Prusament spools is…
ESP32 Plane Radar: Aircraft radar on your desk for a few hundred crowns
If you’ve ever wondered what plane is flying over your house, you’ve probably used an app like FlightRadar24. The ESP32 Plane Radar project offers a more interesting solution though –…
NASA 3D Printing: Hundreds of Space Models Free to Download
NASA has a public GitHub repository with over a hundred free STL models you can download and print on your own 3D printer—from the Saturn V rocket and Curiosity rover…
Amateur air quality sensors in Moscow detected extreme particulate concentrations from a drone attack on the refinery.
During a large-scale drone attack on Moscow on the night of June 18, 2026, a fire struck an oil refinery in the southeastern part of the city. Amateur sensors connected…
ESP32 Bit Pirate: Bus Pirate hacking tool for ESP32
Popular Bus Pirate on the ESP32-S3. Ideal for debugging CAN, 1-Wire, I2C, Wi-Fi, Bluetooth, PWM, and more. Runs on various popular, accessible hardware—especially the ESP32-S3. Open source project.
Improved web-based Serial Monitor with Plotter. Free, no installation required, online.
Anyone who’s ever programmed an Arduino or ESP32 knows the ritual: upload the code, open Serial Monitor in the Arduino IDE, and watch the stream of numbers to check if…
Numeral system converter: now with bitwise calculator, bitmask helper, and two’s complement
From a simple DEC/BIN/HEX/ASCII converter grew a solid tool for tinkerers. Signed/unsigned values, bit calculator, bitmask helper with C code, and prefix notation — free, no install.
Prusa 3D and ColorMix color combining now free to try
Imagine having a printer at home with four or five filaments. Until now, you could only print models in those exact four or five colors—and nothing more. Prusa ColorMix removes…
Flipper One officially unveiled and seeking development help
The Flipper Devices team has officially unveiled its new project, Flipper One. It’s not a successor to the popular Flipper Zero, but a completely new device with a different focus.…
Raspberry Shake – seismograph for monitoring earthquakes, explosions or landslides
Raspberry Shake is an affordable seismograph built on a Raspberry Pi that lets anyone monitor earthquakes and ground vibrations from home. We’ll look at how it works, its cost, installation…
