MicroPython
The Watchdog Pattern - From ESP32 to Python
Name the problem before reaching for the solution. The device did not crash. It entered a state where it could not make progress, and nothing outside the firmware had authority to change that. Silent failure. No recovery path.
Building a Weather Home Screen on a Reflective LCD (MicroPython, ESP32-S3)
This post is a weekend walkthrough to get the ST7305 driver working, connect WiFi, pull live weather from Open-Meteo, and have something useful on the display by Sunday.
Serving a Live Battery Dashboard from ESP32-C3 with Microdot and MicroPython
In this article we wire an INA219 power monitor to an ESP32-C3 Super Mini, charge an 18650 cell through a TP4056, and serve a live voltage/current/power dashboard directly from the device using Microdot.
Build an F1 Pit Wall Display with ESP32 CYD and OpenF1 API
A €10 ESP32 touchscreen, a free F1 timing API, and a architecture problem that turns a Sunday afternoon project into something worth writing about. Here's how to build a live F1 pit wall display, and why the hard part has nothing to do with the hardware.