Tutorials
Three web tools from chiptron.cz: serial monitor, ESP32 firmware flasher, and number base converter.
Three interesting web tools on chiptron.cz: a web Serial Monitor and Plotter, an ESP32 flasher with protection, or a numeral system converter.
Weather radar and aircraft radar on one round display
MeteoPlaneRadar 0.7.0: aircraft radar, weather radar, forecast, spot electricity price and the grid mix on a round 2.1″ display. Flashed from a browser.
University student builds 3D printer with DIY INDX. Instructions and files are open-source.
Tool changes in a second with practically no waste. That’s what YUDX promises—a toolchanger built by one student and released entirely for free on GitHub. Eight tool heads, a single…
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…
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.
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.
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…
Major update of OrcaSlicer 2.3.2: improved infill, Flow Rate per feature, more stable Wipe Tower.
OrcaSlicer. One of the biggest updates (2.3.2) for this 3D printer slicer brings many improvements and fixes – it’s worth checking out.
Voron Cascade: the creators of popular DIY 3D printers have introduced their own CNC milling machine.
When Voron is mentioned, most people think of one of the best-designed DIY 3D printers—whether it’s the popular Voron 2.4, Trident, or the compact Voron 0.2. The community around this…
