ESP32鈥慍AM: Stream & Snapshot API
HTTP stream and /snapshot endpoint.
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File Upload via Web UI (SPIFFS)
Upload files to SPIFFS using AsyncWebServer.
FreeRTOS Basics: Task & Queue
Split work into tasks and communicate via queues.
HTTP Client: GET/POST with Retry
Use HTTPClient with basic retry/backoff.
HTTPS Client: Certificate/Fingerprint
Secure requests with CA cert or fingerprint.
Memory & Partitions (partitions.csv)
Understand flash layout and OTA slots.
Minimum Security Best Practices
Secrets management, tokens, cert rotation.
MQTT Basics: Pub/Sub & Keepalive
Connect to broker, publish sensor data, auto-reconnect.
MQTT over TLS (CA/Client cert)
Secure MQTT connection with TLS.
NTP Time Sync + DS3231 Fallback
Keep time via NTP, fall back to RTC.