校园打铃系统，内带51单片机c语言程序和电路原理图以及PCB

用AT89S51单片机实现LCD1602显示数字时钟功能，通过按键能调节时分秒、年月日星期。Keil C51开发环境-AT89S51 MCU LCD1602 display with digital clock function, through the buttons can be conditioned every minute, day of week. Keil C51 Development Environment

msp430f149读HC165（4片串联）。兼有串口发送程序-msp430f149 Reading HC165 (four series). Serial sent both procedures

详细介绍RS-485/422原理与区别、元件选择、参考电路、通讯规约、程序设计等方面的应用要点，以及在产品实践中总结出的一些经验、窍门-Detail the difference between theory and RS-485/422, component selection, reference circuits, communications statute, procedures for the application of design elements, as well as practice in the products sum up the experience, know-how

LCM module .9320 relevant information .320 X240

这是用320*240TFT显示的FFT和IFFT测试程序，只要把不同型号的液晶更改初始化程序，就可以实现移植。-It is used 320* 240TFT shows FFT and IFFT testing procedures, so long as the different types of liquid crystal changes to initialization procedures, transplantation can be achieved.

DS1302实时实钟avr单片机控制程序-DS1302 real-time clock control procedures avr Singlechip

ARM 移植好的一种图形界面(440BX)-ARM transplant a good GUI (440BX)

杜洋12864LCD电子时钟源程序，可以做成精美万年历-Du Yang 12864LCD electronic clock source, you can create attractive calendar

带农历显示的万年历,功能齐全，附电路图，可以做产品。-With the Lunar calendar display, complete functions, with schematics, can make products.

模拟实现了交通灯的显示和手动调整的功能，花了我不少心思的哦。-Simulation realize the traffic light display and manually adjust the functions and spent a lot of thought, oh my.