用单片机和数码管，构成数字时钟。可以设定时间和闹钟。

系统下,地球坐标转换的源代码,在WGS-84坐标和北京54坐标之间的一套转换参数,可以全国通用的，在每个地方会不一样，因为它们是两个不同的椭球基准。 // WGS2GK.CPP : C++ version of Ottmar Labonde s WGSDHDN3.PAS with CPU time measurement // compile with MS Visual C++ version 6.0 or do the necessary modifications for your compiler // // Conversion of -system, the Earth coordinates conversion source code, the WGS-84 coordinates and coordinate between Beijing 54 set conversion parameters can be nationwide, in every place to be different, because they are two different ellipsoid benchmarks.// WGS2GK.CPP : C version of Silverstone Labonde s WGSDHDN3.PAS with CPU time measurement// compile with MS Visual C version 6.0 or do the necessary modifications for your compiler//// Conversion of

在8位单片机中对16位数进行开方运算的汇编子程序-In 8-bit MCU in the median of 16 for the compilation of prescription computing subroutine

关于51单片机DS18B20的驱动程序，编译过，可以直接使用。-About 51 Singlechip DS18B20 driver, compiler, and can be used directly.

计算一个矩阵中的水仙花素，不过使用前先建一个txt文件，里面输入一个矩阵-Calculation of a matrix in the Su-daffodils, but before using to build a txt file, inside the importation of a matrix

ATMEGA128的ADC驱动程序，对自己编写端口驱动的同志有很大的帮助！-ATMEGA128 the ADC driver, port driver of their comrades in the preparation of great help!

超声波程序分体式超声波发射接收对管 型号：TR40 频率：40K T是发射 R是接收 -Ultrasound procedures ultrasound split launched on the possession receiver models: TR40 frequency: 40K T is launching R is the receiver

富士通90F927单片机英文资料 据说这是专为仪表设计的芯片-Fujitsu 90F927 microcontroller information in English is said to be designed specifically for the instrument chip

320*240LCD液晶显示器，C51编程，内有已调试好的软件-320* 240LCD LCD, C51 programming, which has had good software debugging

LCD320240的AVR单片机驱动程序,显示的字模需行列式取模,液晶驱动芯片是1335-The AVR Singlechip LCD320240 driver, showed to be determinant of the matrix modulus, LCD Driver IC is 1335

51单片机矩阵键盘的设计与调试，建议使用52单片机。-51 Single-chip design of the keyboard matrix and debugging, it is recommended to use single-chip microcomputer 52.