So with the DDS

C写的单片机读U盘和SD卡的程序，里面附带电路图及关键芯片的数据手册，很详细-C write MCU read U disk and SD card program, which included data on the chip circuit diagram and key manual, very detailed

动态扫描键盘,键盘采用矩阵式结构,用KEILC51编译并运行过,可靠性好-Dynamic scanning keyboard, the keyboard matrix structure, using KEILC51 compiler and run-off, reliability, good

RT12864M汉字图形点阵液晶显示模块，可显示汉字及图形，内置8192个中文汉字（16X16点阵）、128个字符（8X16点阵）及64X256点阵显示RAM（GDRAM）。 主要技术参数和显示特性: -RT12864M characters dot matrix graphics LCD module can display characters and graphics, built-in 8192 Chinese characters (16X16 dot matrix), 128 characters (8X16 lattice) and 64X256 dot-matrix display RAM (GDRAM). Main technical parameters and display characteristics:

关于单片机（51系列）通过GPRS模块和上位机进行通信-on SCM (51) GPRS modules and PC communication

61202单片机液晶程序， asm格式，液晶调试过！-61,202 procedures asm format LCD debugging!

8051 Serial I/O Routines Ring buffered, interrupt-driven UART driver, written in Keil C .

用于8051，基于SJA2000的CAN总线协议的通讯-for 8051, based on the SJA2000 CAN bus protocol communications

5个单片机实用源程序-five SCM practical source

介绍keil c使用的详尽说明，英文版。可以支持较高的keil c版本-introduced a detailed account of the use of English. Support higher Keil c version

1302实现时钟定时报警，并在1602液晶体显示-1302 realize alarm clock timer and LCD display in 1602