RS485 communication

语音芯片PM50八方源代码，在播音函数中写入你需要播音的例子即可播放对应的语音。-voice chip PM50 from all source code, the audio function you need to write radio broadcast of examples corresponding voice.

Philip tea 5767 FM 驱动用应用程序 char FM_Init(char bandinfo, char softlev) -Philip tea 5767 FM applications driving char FM_Init (char bandinfo, char softlev)

ATmega128具备引导加载支持的用户程序自编程功能(In-Sysytem Programming by On-它提供了一个真正的由MCU本身自动下载和更新-ATmega128 bootloader with support user program from the programming function (In-Sysytem Programming by On-It provides a real per se by the MCU to automatically download and update

基于MCS―51系列单片机的燃气智能系统的开发应用-Based on MCS-51 series single-chip gas development and application of intelligent systems

Coupled Microstrip 耦合微带线

pic单片机原理，对于想学习PIC型单片机的同仁是很好的教材，PIC单片机是用途最广这单晶片之一，本教程以PIC16开头的8位单片机为例详细阐述其原理的。-pic microcontroller principle, want to learn PIC microcontroller-based colleagues is a very good teaching, PIC is the most extensive use of this single-chip, the Guide to PIC16 beginning of the 8-bit microcontroller for example detail its principles.

汇编语言写的，支持读取wav并将波形显示在屏幕上，是自己多年以前的一个课程设计的作业程序，希望对朋友有所帮助-compilation of the written language, and will support wav read waveform display on the screen of their own years ago a curriculum design of the process, and I hope to help a friend

4对于进入密码锁的钥匙，假设复位后8个LED全亮，并使用sw1、sw2两个，然后sw2-> sw1-> sw1-> sw2，则表示解锁右侧会导致8个LED全暗。

用单片机8051控制的基于控制芯片T6963C的图形液晶显示的字母的汇编程序。-8051 single chip microcomputer-based control chip control T6963C graphic LCD display of the letters of the assembler.

MCS-51单片机实用子程序库,包括全套的数据转换与计算的子程序。-MCS-51 microcontroller practical subroutine library, including a full set of data conversion and calculation of the subroutine.