A smart RGB traffic light based on the Seeed XIAO ESP32-C3, controllable via browser with a PWA web interface, MQTT/Home Assistant integration, and scheduled timers.
An open, software-defined Emergency Alert System platform — the kind of infrastructure that used to cost $5,000–$7,000 per appliance, now running on a $80 Raspberry Pi at roughly 12 watts. EAS ...
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