A realization of des encryption keyboard, keyboard encryption standard in line w...

单片机P2口4×4键盘。分别是0到15，很好用的程序欢迎大家下载-SCM P2 port 4 × 4 keyboard. Are 0 to 15, well welcome to use program to download

用winband78e58 对422通讯操作，422通讯作为工业常用的串行通讯协议，使用广泛-with winband78e58 communications operation of 422, 422 communications industry as a common serial communication protocol, widely used

用单片机对A-Z和0-9等字符进行编码，并传输给另一单片机译码-With the microcontroller on the characters such as AZ and 0-9 encode and decode transmitted to another MCU

基于16f877的单片机人数统计系统源码，可统计进出门的人数，用数码管显示-16f877 microcontroller based on the number of source statistical system can go out into the number of statistics, with digital display

温度传感DB18B20七段显示实验

8051f020的对于126*64lcd通用汇编程序，可以作为测试硬件工作不工作的程序-8051f020* 126 for the definitive compilation 64lcd procedures can be used as test hardware work procedures do not work

89C51的EEPROM代码-89C51 EEPROM code

C51 TIMER 0的使用 Timer_0_mode_1_timer_gate_hard-C51 TIMER 0 use Timer_0_mode_1_timer_gate_hard

I2C接口的ADC应用PCF8591，c51原代码。编译通过。-I2C Interface Converters application PCF8591 which, c51 original code. Compile.

一个电子产品开发时的部分c代码D!绝对能用!-When an electronic product development part of c code D! Absolutely can!