Ra8803测试程序，320*240液晶，包括8080和6800时序

用ADuC8xx单片机实现AD转换、DA转换、片内flashdata的操作、定时器、计数器和I2C通信的源码-with ADuC8xx MCU AD converter, DA conversion, Chip flashdata operation, timer, counter and I2C communications FOSS

C51单片机开发板电路和源代码，很详细，内部有该开发板的说明。顺便感谢下制作的公司-C51 single-chip development board circuit and the source code, very detailed and has an internal description of the development board. Incidentally, thanks to the production company under the

EZ-USB FX系列单片机USB外围设备设计与应用.PDF 北航出版社 编著:许和

.Is not a sourcecode or document 3.lost some files 4.Description is not detailed or not correct 5.Compressed file has password 6.Sourcecode duplicate

I2C总线存储器24c02驱动程序（KEIL）-memory 24c02 I2C Bus Driver (KEIL)

这个是用AVR编写的程序，这里是一个时钟电路，用数码管显示当前时间。对初学者比较有用。-This is prepared by AVR process, here is a clock circuit, a digital display the current time. More useful for beginners.

ZLG500B读卡模块数据传输协议--底层函数和高级函数-ZLG500B reader module data transfer protocol-- the bottom and Senior Function Function

软USB核的电力开关PowerSwitch-soft USB nuclear power switching PowerSwitch

调用汉字库显示汉字（点阵字库和曲线字库）-show characters (font and lattice curves font)

将键盘发回的数据放到一个缓冲区里（数组），当按键结束后发生内部中断来处理所按的按键-returned to the keyboard data in a buffer (the array), when the button after internal interruption to processing by the key