Car-project

说明：  基于stm8S系列单片机，利用内部定时器的pwm功能输出pwm波(Based on stm8S series single-chip microcomputer, PWM wave is output by PWM function of internal timer)

stm32f7采集一遍往外打点一遍用AD采点然后将采样值返回给电脑(Stm32f7 collects points from outside once, uses AD to collect points, and then returns the sampled values to the computer.)

基于51系列单片机的eeprom例程，其中包括c,hex及其相关文件，硬件电路图，相关芯片介绍。(Based on 51 series MCU eeprom routines, including c, hex and its associated files, hardware schematics, related chip introduced.)

在51单片机中用C语言描述IIC总线的功能，以LED发光二极管表现(51 single-chip using C language to describe the functions of the IIC bus, the LED light-emitting diode performance)

基于STC15f2k60s2的IIC通信，软件模拟IIC接口，主机和从机代码(Based on the IIC communication of STC15f2k60s2, the software simulates IIC interface, host and slave codes)

用C51语言编程，实现了单片机AT89C51产生线阵CCD（TCD1200）驱动所需的时序。希望对大家有用。(With C51 language programming, microcontroller AT89C51 produce linear CCD (TCD1200) drive required timing. I hope useful.)

实验班上电时，数码管不显示，顺序按下矩阵键盘后，数码管上依次显示0~F，六个数码管同时静态显示即可。(Experimental class power, the digital tube does not show the order of matrix keyboard is pressed, the digital tube followed by 0 to F, six digital tube and static display can.)

温湿度串口检测程序，实现对数据的读取和检测(Temperature and Humidity Serial Port Detection Program for Data Reading and Detection)

本系统以直流电流源为核心，AT89S52单片机为主控制器，通过键盘来设置直流电源的输出电流，设置步进等级可达1mA，并可由数码管显示实际输出电流值和电流设定值。本系统由单片机程控输出数字信号，经过D/A转换器（AD7543）输出模拟量，再经过运算放大器隔离放大，控制输出功率管的基极，随着功率管基极电压的变化而输出不同的电流。单片机系统还兼顾对恒流源进行实时监控，输出电流经过电流/电压转变后，通过A/D转换芯片，实时把模拟量转化为数据量，再经单片机分析处理， 通过数据形式的反馈环节，使电流更加稳定，这样构成稳定的压控电流源。实际测试结果表明，本系统输出电流稳定，不随负载和环境温度变化，并具有很高的精度，输出电流误差范围±5mA，输出电流可在20mA~2000mA范围内任意设定，因而可实际应用于需要高稳定度小功率恒流源的领域。(the system to DC current source to the core, MCU AT89S52 main controller, through the keyboard to set up DC power supply output current, set up to 1mA Stepping grades, digital control can be shown by the actual output current value and current setting. The system consists of programmable microcontroller digital signal output, after the D/A converters (AD7543) analog output. After Operational Amplifiers isolation, amplification and control of the output power base. With the power of the base voltage changes in the output current. SCM system also takes on the constant current source for real-time monitoring, after current output current/voltage changes, the A/D converter chip, real-time conversion from analog to the volume of data and then analyzed by the MCU, through data link in the )

汽车在防撞雷达方向的研究的详细原理的介绍(Introduction of detailed schematic of the car in the direction of the anti-collision radar)