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A comprehensive IoT-based HVAC control system featuring dual-microcontroller architecture (Arduino R4 Minima + ESP8266), web interface with Flask, real-time monitoring via DHT22 sensor, IR control for AC units, smart scheduling, and mobile-optimized responsive dashboard.
Over-the-air (OTA) firmware update system for Arduino R4 Minima using ESP8266 as WiFi-enabled programmer. Features Flask-based web server, REST API, automatic polling for updates, web interface for firmware uploads, and remote monitoring capabilities via serial connection.