SMS卡的AT控制程序演示，51单片机用

本库函数为大容量(2M)Flash SST25VF016B的驱动函数 包括IO模拟SPI总线方式和C8051F020硬件SPI方式下的驱动 函数接口简单易用 代码规范简洁-The library functions for large-capacity (2M) Flash SST25VF016B driver function including IO simulation SPI bus mode and SPI mode C8051F020 hardware driver function interface specification concise easy-to-use code

采用80C51单片机为控制核心，利用超声波传感器检测道路上的障碍，控制电动小汽车的自动避障，快慢速行驶，以及自动停车，并可以自动记录时间、里程和速度，自动寻迹和寻光功能。整个系统的电路结构简单，可靠性能高。 采用的技术主要有： 通过编程来控制小车的速度； 传感器的有效应用； 新型显示芯片的采用.-80C51 single-chip microcomputer used for the control of the core, the use of ultrasonic sensors detect obstacles on the road, control of electric cars automatic obstacle avoidance, fast low traffic speeds, as well as the automatic parking, and can automatically record time, mileage and speed, automatic track finding and searching optical function. Circuit the whole system of simple structure, high reliability. The technologies used are: programmed to control the speed of car the effective application of the sensor new display chip used.

AD9852的单音频产生波形程序 加载失时钟是外部 设置的 -AD9852 produce a single audio waveform loader missing external clock is set

数码管驱动电路集,好多的关于LED驱动的图，可以做参考-Nixie tube driver circuit set, a lot of plans on the LED driver can be a reference

PCF8563 时钟芯片驱动 89C51 -PCF8563 clock chip driver 89C51

CAN通讯 有源程序 很好 大家来看看 SJA1-CAN communications have a very good source to look at the U.S. SJA1

使用avr90can32双串口传输蓝牙数据-Avr90can32 dual-use Bluetooth serial data transmission

51单片机定时器初值计算软件，很有用的工具-51 SCM timer initial calculation software, very useful tool

51必备-51 essential

单片机控制继电器的自动化调试系统，很详细的描述。-MCU Control Relay automated debugging systems, it is described in detail.