通过SIM300的通信，发短信来点亮LED灯。程序很完整，测试过没问题。-Through the SIM300 communication, send text messages to light up the LED lights. The program is very complete, tested no problem.

源码分为单片机程序和手机App程序，手机App采用易语言编程。程序实现手机App对LED灯的控制，读取温度，以及对继电器的控制等。引入继电器，将可实现其他任意的开关控制，实用性强。-Source code into a single chip and mobile phone App program, mobile App using easy language programming. Procedures for the control of mobile phone LED App lig