PN532-master

msp430实现max7219显示程序(汇编)(MSP430 realize MAX7219 display program (compilation))

51单片机中利用PCF8591进行D/A转换在示波器中显示三角波(51 MCU PCF8591 using the D/A converter in the oscilloscope display triangular wave)

STM32F103RBT6+MPU6050模块，使用卡尔曼滤波，波形很不错~~~~~~~~~~(STM32F103RBT6+MPU6050 module, using the Kalman filter, the waveform is very good ~ ~ ~ ~ ~ ~ ~ ~ ~ ~)

前言..........................................................................2 课题一 8路抢答器电路设计........................................2 课题二 数字电子钟设计.............................................5 课题三 交通信号灯控制逻辑电路设计.............................12 课题四 汽车尾灯控制电路..........................................17 课题五 篮球竞赛 30s 计时器........................................21 第 1(Introduction ................................................. ......................... 2 Subject of a circuit design of 8 Responder ........................................ 2 Second, the design of digital electronic clock issues ............................................ .5 Issue three traffic signal control logic circuit design ............................. 12 Four car taillight issue control circuit .......................................... 17 Issue 5 Basketball 30s timer ........................................ 21 1)

使用IIC实现24C08读写驱动程序，并用数码管显示读写值(To read and write using the IIC to achieve 24C08 driver, and used digital tube display to read and write the value of)

说明：  51单片机双机通信程序，keil环境。。。。。(51 keil communication between two machine)

AT89S52键盘程序,这是一个变频器的键盘驱动程序，简单，可靠，芯片为51单片机(one simple progrem for 51,if you like ,you can use it freely.)

STC 51系列单片机实现PWM,由P1口输出其波形9+(STC 51 Series MCU PWM, the output of its mouth by the P1 waveform 9+)

dac0832通过ad转换可以产生正弦波和三角波和方波(dac0832 conversion by ad can generate sine wave and triangular wave and square wave)

名称：遥控器红外解码数码管显示 内容：按配套遥控器上1-9会在数码管上对应显示(IR decode digital display)