ESP32, ESP8266

Three web tools on chiptron.cz: a web Serial Monitor with a plotter, an ESP32 flasher with safety checks, and a number base converter.

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.

Linux 6.11 runs directly on the Xtensa core of the ESP32-S3 without emulation. After login, the shell mirrors to the 9.7″ ED097TC2 e-paper display.

I wanted to know what was flying over my head. Not on a phone, not in a browser tab – on a small round thing sitting on a shelf that…

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 –…

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.

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.

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…

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.

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…