GPS speed in km/h with one decimal, RGB gradient LED, sunrise/sunset auto brightness, flash history and Wi-Fi AP web dashboard.
Convert isolated low-voltage AC into DC and explore capacitor filtering with a simple rectifier circuit.
Handheld GNSS viewer for ESP32-S3 and u-blox MAX-F10S: sky view, live map, track replay, Web UI, SSH console and optional quake/EEW alerts.
