采用高发射功率红外光电二极管和高灵敏度光电晶体管组成。 光缝宽度（分辨率）有0.8mm、0.4mm两种。...

用C51制作的红外通讯装置，有详细的源代码，可以直接使用-C51 produced by the infrared communication device, a detailed source code, can be directly used

MF500非接触式IC卡开发板源程序 -MF500非接触式IC卡开发板源程序

等精度频率计，用Xilinx FPGA和51单片机实现-Precision frequency meter, etc., using Xilinx FPGA and 51 MCU

单片机是52的，P0口连到四个数码管的七个管脚，其中两个冒号点为最后两个数码管的DOP点，P1.0至P1.3为四个数码管的选通端，低电平有效。程序2较完整，可实现设定时间功能。-Singlechip is 52, P0 port connected to four of the seven-pin digital tube, two of which point to the last two colon tube DOP-point digital, P1.0 to P1.3 for the election of four digital tube pass-side, active-low. 2 a more complete procedure, set the time function can be realized.

ad转换,可以实现模拟量转换成数字量，利用单片机内部集成的魔术转化单元。-ad conversion

通过不同的二极管亮，表示洗衣机的不同状态。如正转、反转、洗条、干衣。按下P3_3时，会停止。 -through different diode light, washing machines, said the different states. Who is changed, and turned around, washing, drying. Press P3_3, would cease.

avr jtag仿真器制作全套资料.包括了PCB文件,HEX,原理图,BOM清单,如果想学习AVR的话不如现在动手做一个,又省钱,又能学到很多东西-avr jtag emulator produce a full set of data. including PCB files, HEX, schematics, BOM list, if you want to learn the words of AVR was not as hands-on one, but also save money, but also learned a lot

该软件用于开发具有触摸屏的系统，打开图形文件就可以-software for the development of the touch screen with the system and opening graphics files can

遥控小汽车的设计 可以有限速区和加速区 对他完全实现自动控制-remote control cars designed to be limited to the speed zones and accelerating the full realization of his control

C8051F040单片机CAN总线接收和发射程序，简单明了-C8051F040 single-chip CAN-bus to receive and launch procedures, simple