Разработка прошивки ESP32-S0WD (4 MB flash) для подключения бытовой техники к умному дому. 1. mqtt secure uplink/downlink (websocket) 2. secure firmware update (backup firmware) 3. device provisioning via ble 4. shutdown detection 5. rtc 6. offline buffering 7. uart integration with appliances (5 types) 8. wdt