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Guides > Hardware samples > NodeMCU > NodeMCU overview
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NodeMCU overview

NodeMCU is an open source IoT platform. It includes both firmware which runs on the ESP8266 Wi-Fi SoC, and hardware which is based on the ESP-12 module.

The applications in these samples that are running on NodeMCU are written using Lua scripting language which is quite simple and easy to understand.