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• 12:13, 7 October 2026 CogWikiEditor talk contribs created page MDM331AID/Experiment 12 ESPNOW (Created page with "= Experiment: Secure Sensor Data Transmission Using ESP-NOW = == Aim == To implement secure wireless transmission of temperature and humidity data between two ESP32 devices using ESP-NOW with AES-128-based encryption. == Objectives == * To understand the concept of ESP-NOW communication in IoT systems. * To interface a DHT11 temperature and humidity sensor with an ESP32. * To transmit sensor data directly between two ESP32 devices without using an access point or clo...")