ESP32 A7670G WiFi Hotspot with Internet | NodeMCU Online via Cellular-Powered ESP-IDF Demo

In this ESP-IDF-based demo, the LilyGO T-7670G (ESP32 + A7670 module) creates a WiFi hotspot with internet access using its cellular SIM card. A NodeMCU ESP8266 connects to this hotspot and successfully performs an HTTP request to the internet, demonstrating a powerful and compact cellular gateway setup.

📶 What’s Happening in This Demo:

- LilyGO ESP32 T-7670G uses an A7670G module (4G LTE) to connect to the internet

- A WiFi hotspot is created and shared using the ESP32

- NodeMCU connects to the hotspot as a client

- NodeMCU performs a real HTTP request using the cellular-provided internet

✅ A compact and efficient solution for low-power IoT devices needing mobile internet in the field!

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