SCADABLE platform integration for ESP32. Boots, loads the
device certificate from NVS, discovers the MQTT broker via
edge.scadable.com, connects over TLS, publishes heartbeats,
and handles OTA updates. Optional streaming file upload to
uploads.scadable.com (compile-time opt-in). Customer brings
their own network (Wi-Fi / Ethernet / cellular).
AES67 / RAVENNA audio-over-IP for the ESP32-P4 — hardware-PTP-synced RTP audio (L16/L24/L32/AM824), SAP/SDP discovery, ISR-driven I2S, sub-millisecond latency. Interop-tested against Merging SIENNA and the aes67-linux-daemon.