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Mention LFS in intro 

Contributes to #2431
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Marcel Stör 2018-07-24 23:16:58 +02:00
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README.md
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@ -14,12 +14,15 @@ The firmware was initially developed as is a companion project to the popular ES
# Summary # Summary
- Easy to program wireless node and/or access point - Easy to program wireless node and/or access point
- Based on Lua 5.1.4 (without *debug, os* modules) - Based on Lua 5.1.4 (without `debug` & `os` modules)
- Asynchronous event-driven programming model - Asynchronous event-driven programming model
- more than 65 built-in modules - more than **65 built-in modules**
- Firmware available with or without floating point support (integer-only uses less memory) - Firmware available with or without floating point support (integer-only uses less memory)
- Up-to-date documentation at [https://nodemcu.readthedocs.io](https://nodemcu.readthedocs.io) - Up-to-date documentation at [https://nodemcu.readthedocs.io](https://nodemcu.readthedocs.io)
### LFS support
In July 2018 support for a Lua Flash Store (LFS) was introduced. LFS allows Lua code and its associated constant data to be executed directly out of flash-memory; just as the firmware itself is executed. This now enables NodeMCU developers to create **Lua applications with up to 256Kb** Lua code and read-only constants executing out of flash. All of the RAM is available for read-write data!
# Programming Model # Programming Model
The NodeMCU programming model is similar to that of [Node.js](https://en.wikipedia.org/wiki/Node.js), only in Lua. It is asynchronous and event-driven. Many functions, therefore, have parameters for callback functions. To give you an idea what a NodeMCU program looks like study the short snippets below. For more extensive examples have a look at the [`/lua_examples`](lua_examples) folder in the repository on GitHub. The NodeMCU programming model is similar to that of [Node.js](https://en.wikipedia.org/wiki/Node.js), only in Lua. It is asynchronous and event-driven. Many functions, therefore, have parameters for callback functions. To give you an idea what a NodeMCU program looks like study the short snippets below. For more extensive examples have a look at the [`/lua_examples`](lua_examples) folder in the repository on GitHub.