一个实现手机收发短信的VC++串口编程源码-achieve a cell phone text message TX VC Serial Programming FOSS

这是郭天祥51单片机原理图，希望能给你们帮助-This is 郭天祥 51 microcontroller schematic, I hope you can help

51单片机实现对无线模块的数据传输。上位机程序(The primary states of the Si446x are shown in Figure 6. The shutdown state completely shuts down the radio to minimize current consumption. Standby/Sleep, SPI Active, Ready, TX Tune, andRX tune are available to optimize the