Retia 2024 DEF CON badge (ESP32-S3): docs, pinouts, flashable firmware incl. DOOM and Meshtastic, examples, KiCad hardware sources
KICAD Schematic-source code Library. licensed under the Creative Commons CC-BY-SA 4.0 License.
Xihe is a self-sustaining, ultra-low-power sensing platform designed for long-lifetime deployments with zero maintenance.