Learn how to connect MicroPython devices like NodeMCU/ESP8266 and ESP32 to WiFi in this comprehensive video tutorial. Explore the OSI Model and its different levels, gaining a deep understanding of network communication. Dive into topics such as Physical Layer, MAC Address, IP Address, Packets, Transport Layer, Session Layer, Presentation Layer, and Application Layer. Follow along as the instructor demonstrates the creation of a Weatherbot using Node MCU and MQTT. Discover practical applications of network libraries, Ethernet, and LoRa technology. Gain hands-on experience with hardware setup, coding, and troubleshooting throughout this informative session.