用单片机和数码管，构成数字时钟。可以设定时间和闹钟。

开发硬件电路需要用到液晶显示模块1602的用户必备。调试实验源程序第一部分。-Hardware needed to develop liquid crystal display module 1602 required the user. Debug source code the first part of the experiment.

用C实现数字电压电流表：1、由外部输入直流电压电流，电压范围20V，电流范围1A； 2、电压/电流通过开关切换； 3、显示：数码管显示电压值/电流值，精度0.01。 -Implementation using digital voltage ammeter C: 1, by the external input DC voltage and current, voltage range of 20V, the current scope of 1A 2, voltage/current through the switch 3, Display: Digital display voltage/current value, the accuracy of 0.01.

凌阳单片机网络系统源码-Sunplus SCM network source

ds12c87读写程序，经过测试是可以用的。-ds12c87 literacy procedures, the test can be used.

C8051F系列单片机交叉开关的配置实例-C8051F series microcontrollers crossbar switch configuration examples

通信方式是485方式。通过485来控制一组灯的开关。-485 are way communication. Through 485 to control a group of light switches.

该设备是一款基于AVR mega16L单片机的电子书阅读器，它除具有传统的阅读电子资源功能外，还能通过PS2接口与PC键盘连接，使用普通PC键盘输入信息，进行文本录入；使用LCD12864液晶作为显示器，它还可以用VB专门为之编写的下载软件通过串口下载TXT格式的文本资源。电子书资源存储在AVR公司生产的AT45DB021B闪速存储器，它有2M存储空间，可满足一般用户需要，当然也可升级为大容量存储器。 该设备功能强大，将电子书阅读器发挥到了极致，能满足用户特殊需要。 -The device is a single chip based on the AVR mega16L e-book reader, which in addition to the traditional functions of reading electronic resources, but also through the PS2 interface to connect with the PC keyboard, use an ordinary PC keyboard input information, the text input use LCD12864 LCD as a display, it can be prepared by specialized VB download software through the serial port to download TXT format text resources. E-book resources are stored in the AVR produced AT45DB021B flash memory, it has 2M storage space to meet the needs of general users, of course, can also be upgraded to a large-capacity memory. The device is powerful and will play an eBook reader to the extreme, and to meet the special needs of users.

STC89C51是一种性价比很高的芯片,本篇文章提供了很详细的说明,对单片机开发着很有用.-STC89C51 is a highly cost-effective chip, this report provides a very detailed description, right MCU Development to be useful.

c语言实现c51单片机PWM输出控制电机的转角-c51

89c51的isp下载程序C语言版源代码。可无编程器在线编程。-89c51 isp download the C language version of the source code. Programming can be no on-line programming.