DAC0832的DA转换ASm汇编子程序

凌阳最出的超声波测距模组，通过555产生40KHz的超声波，有SPE061A单片机控制超声波的发射和接收，最初的版本在程序方面比第二版本来得简单，主要是通过了硬件电路减少了程序，附电路图、PCB图等-Sunplus most of the ultrasonic ranging modules, 40KHz generated through 555 of the ultrasound, ultrasound has SPE061A single-chip microcomputer to control the transmitting and receiving an initial version of the procedure than the second version is more simple, mainly through the reduction of hardware circuit procedures, with schematics, PCB map

这是一个单片机应用中编写键盘代码时可以对比参考的，PS2接口的键盘对应的按键码，很实用的，有用到得朋友可以看看。-This is a microcontroller application can write code in contrast to the keyboard reference, PS2 keyboard interface, the corresponding key code, very practical and useful to have a friend take a look at.

单片机C语言开发软件KEIL C，该软件上手容易，适宜于各个阶段的单片机爱好者-Singlechip C language development software KEIL C, the software easier to use, suitable for all stages of the single-chip lovers

这是用于proteus仿真软件的程序源码，当然也可以在单片机上用，请努力学习嵌入式吧-This is for the Proteus simulation software program source code, of course, can also be used in SCM, please study hard embedded bar

基于89S51的称重系统，ADC0809加LED数码管动态显示-devised based on the weighing system, Connection between ADC 0809 plus digital LED control Dynamic Display

C51单片机实现对PC键盘的读取与显示 具体细节请参考源程序 将时钟线接入外部中断 数据线接入普通I/O输入输出口-C51 MCU to read the PC keyboard and display details please refer to the source clock line access external interrupt data lines access I/O input and output mouth

2812驱动128*64液晶,把该文件加到工程中，在主函数中初始化液晶既可用了．-2812 driver 128* 64 LCD, the document added to the project, in the main function can be used to initialize LCD.

ST7920液晶驱动芯片初始化程序以及字符工作模式操作，图片模式操作-ST7920 LCD driver chip initialization procedures, as well as character mode of operation, picture mode operation

自己写的lcd1602的驱动程序，底层驱动和上层程序层次分明，很容易移植-?????#39 的lcd1602的驱 ???绦??????闱????蜕????绦???39 ?置 ????苋菀 ?移?

在8位单片机中对16位数进行开方运算的汇编子程序-In 8-bit MCU in the median of 16 for the compilation of prescription computing subroutine