4x4矩阵键盘电子琴把“单片机系统”区域中的P1.0 端口用导线连接到“音频放大模块”区域中的SPK IN 端口上； （2． 把“单片机系统“区域中的P3....

C51入门大全,对初学者很有帮助,认真学习一下里面的程序或者直接拿出来在单片机上运行一下,里面的程序基本上都是有效的.-C51 Portal Daquan, very useful for beginners. seriously study the inside of the program or directly out of the running on this MCU, Basically, the procedures which are effective.

atmega32 和RS485的通讯，已经在电路板上测试通过，RS232相对简单一点，RS485需要对控制收发信号处理一下，并且需要RS232转RS485工具来验证收发是否正确-atmega32 and RS485 communication, has been tested in the circuit board, RS232 relatively simple point, RS485 transceiver control signals need to deal with you, and will need RS232 to RS485 transceiver tools to verify the correctness of

ad9851的串行输入控制，用c编写的凌阳单片机程序-AD9851 Serial Input control, with c prepared Sunplus Singlechip procedures

Proteus仿真的Arm7源程序，用于串口通信，开发环境为ADS-Proteus simulation ARM7 source for serial communications, development environment for the ADS

实验名称：看门狗实验 功能描述：使能系统看门狗。 如果将PA0连接到LED上观察到实验现象为LED灯闪烁。 如果连接到SPK上将会听到SPK间歇性鸣叫。 如果将watchdog_init() 注释掉或者将WDT_off() 前面的注释去掉则将看门狗禁止 此时连接到LED上观察到的现象为LED常亮 实验目的：熟悉看门狗的操作 实验说明：MCU--M16 外部7.3728M晶振 -AVR for Watchdog!

usbcan驱动程序，检测can总线的消息。-usbcan driver can detect the message bus.

高性能立体声音频Codec芯片TLV320AIC23B的ARM控制源码

BC31 TC30 编译过，可运行。 -BC31 TC30 compiled can be run.

一个接收GPS模块接收时间显示在LCD上面 用SW调格林威治+-小时分 -A GPS receiver module to receive the time displayed on the LCD above tune with SW Greenwich+- Hours minutes

这是我大学4年来做过的竞赛以及老师的科研项目所积累下来的c51源代码，一共有40多 个，心血啊！-This is my 4-year university has done the race, as well as the teacher