lua的扩展库，包括常用的系统函数等，包括bit、cpu、i2c(Lua extension library)

Air200模块是四频段GSM/GPRS模块,本文档定义了Air200模块及其硬件接口规范,电气特性和机械细节,通过此文档的帮助,结合我们的应用 手册和用户指导书,客户可以快速应用Air200模块于无线应用。(The Air200 module is the four band GSM/GPRS module. This document defines the Air200 module and its hardware interface specifications, electrica

Air200 模块开发板是专用于 Air200GPRS 模块在 Luat 开源环境下的开发实验板。(The Air200 module development board is dedicated to the development of Air200GPRS modules in the Luat open source environment.)

luat平台看门狗电路设计指南，能够使用硬件方式保证air200模块运行的稳定性。(Luat platform watchdog circuit design guide, can use hardware to ensure the stability of air200 module operation.)