KoaOS Turns the Heltec WiFi LoRa 32 V4 Into a Headless Unix-Style Box With Sandboxed WebAssembly Apps
KoaOS gives the ESP32-S3-based Heltec WiFi LoRa 32 V4 a serial-terminal shell, built-in GPS, weather and LoRa APRS tools, and C apps compiled to WebAssembly that install over Wi-Fi without reflashing. Its README is unusually frank about the limits.
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