一个单片机学习的网站

AVR mega48 控制四位液晶数码管-4 LCD AVR mega48 control digital tube

cc2x30_sw_examples: 适用于SmartRF05EB 支持CC2430、CC2530 提供Light_Switch及perTest例程。-cc2x30_sw_examples: apply to SmartRF05EB support for CC2430, CC2530 provide Light_Switch and perTest routine.

利用P89C66X系列单片机实现I2C总线从器件函数操作库-use P89C66X Series MCU I2C bus function from the operation of the device

汽车电子转速表电路，包括原理图和印制板图，使汽车电子的典型电路，值得学习-automotive electronic tachometer circuit, including schematic and PCB plans, the typical automobile electronic circuits, it is worth learning

usbcan的人机交互编程vc例程，嵌入式可以参考。-usbcan HCI vc programming routines, embedded can refer to.

单片机直接驱动液晶模块, 可以值得大家参考一下-MCU directly drive LCD module may be worthwhile for your reference

使用89S52为核心做的USB键盘,注意修改了一下windows设备描述符以及端点处理等就行了。用了一个4*4的小键盘,有0-9十个数字键, Num Lock键,Caps Lock键,Shift键,Ctrl键,Alt键,回车键等。 最多可以有三个键同时按下，如果相交的话，最多只能两个键按下-89S52 use as the core of the USB keyboard to do, pay attention to modify the look and the windows device descriptor, such as treatment endpoint on the list. Used a 4* 4 small keyboard, has the number keys 0-9 10, Num Lock keys, Caps Lock key, Shift key, Ctrl key, Alt key, enter key and so on. Can have up to three keys pressed at the same time, if the intersection, then a maximum of only two keys pressed

192*64显示lcd程序，功能：根据参数x_add,y_add往LCD中写1个字 输入：1： 写到LCD的X、Y坐标；2：数据地址 输出：无-LCD display procedures, functions : the parameters x_add, LCD y_add to write a character input : 1 : LCD wrote the X, Y coordinates; 2 : data output address : None

在单片机中，处理串口的子程序-in SCM, the serial processing subroutine

在C51下编写的频率计函数，可以对测得输入信号的频率-Prepared in the C51 Cymometer function, can be measured by the frequency of the input signal