platformio

Pi-hole-class DNS ad-blocker on a $2 ESP32-C3 (no PSRAM): 537k domains as 40-bit FNV-1a hashes in flash, binary-searched. UDP DNS sinkhole + web dashboard. https://youtube.com/shorts/RaxszOUMi8E?feature=share

All-in-one third-party firmware for the HoloCubic ESP32 desktop toy. Weather clock, photo/GIF/video player, PC screen mirror, web config, FTP server, BiliBili fans counter — built with PlatformIO, Arduino, and LVGL.

ESP32 wardriving rig (WiFi + GPS, BLE, CYD touchscreen), its Android companion app, and an Organic Maps / Android Auto overlay - one repo

Official firmware for the OpenAstroTracker.

SquachWatch is a firmware for the Cheap Yellow Display that gamifies detecting things like Flock Cameras, Trackers, Meta Glasses and so much more!