Tutorials
Satellite passes on ePaper. SkyEink calculates what you’ll actually see tonight
An ePaper display for your shelf that calculates each day which satellites you’ll actually see at night, along with hourly cloud cover and planets. Flash the firmware from your browser.
Three web tools from chiptron.cz: serial monitor, ESP32 firmware flasher, and number base converter
Three web tools on chiptron.cz: a web Serial Monitor with a plotter, an ESP32 flasher with safety checks, and a number base 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.
