UART

CMT2300A芯片收发测程序，基于KEIL以及STM32F103芯片(CMT2300A chip transceiver and test program, based on KEIL and STM32F103 chip)

说明：  stm32f429 eeprom iic mdk环境(Stm32f429 EEPROM IIC MDK environment)

基于80c51的电子时钟，用8个数码管显示时间年月日(80c51 based electronic clock, with 8 years on digital display time)

1.基于STM32利用DRV871驱动步进电机 2.配置SPI使STM32和DRV871通信控制步进电机 3.配置PWM控制DRV871的Step来控制步进电机的转速(1. using DRV871 to drive the stepper motor based on STM32 2. configuration SPI makes STM32 and DRV871 communication control step motor 3. configuration PWM controls the Step of DRV871 to control the speed of the stepper motor)

数字量-模拟量转换器，可以实现单片机处理的数字量信号转换成模拟量电压电流信号输出(Digital analog converter)

OV7725摄像头驱动教程（霸道开发板）介绍，希望大家喜欢(OV7725 Camera Driver Tutorial (Hegemonic Development Board), I hope you like it.)

正弦信号发生器[2005年电子大赛一等奖].files(sinusoidal signal generator [e-Competition in 2005 won first prize]. Files)

可视门铃的主机软件，用MCS-51，通过485通讯方式(Visual doorbell host software, with MCS-51, adopted by 485 means of communication)

说明：  单片机原理与应用课件 对单片机可以全面的认识和了解(Simple keyboard microcontroller design courses play a role in achieving key)

ISO/IEC 7816-1-1998 ISO/IEC 7816-2-1998 ISO/IEC 7816-3-2006 ISO/IEC 7816-4-2005 ISO/IEC 7816-5-2004 ISO/IEC 7816-6-2004 ISO/IEC 7816-7-1999 ISO/IEC 7816-8-2004 ISO/IEC 7816-9-2004 ISO/IEC 7816-10-1999 ISO/IEC 7816-11-2004 ISO/IEC 7816-12-2005 ISO/IEC 7816-13-2007 ISO/IEC 7816-15-2004 (ISO/IEC 7816-1-1998 ISO/IEC 7816-2-1998 ISO/IEC 7816-3-2006 ISO/IEC 7816-4-2005 ISO/IEC 7816-5-2004 ISO/IEC 7816-6-2004 ISO/IEC 7816-7-1999 ISO/IEC 7816-8-2004 ISO/IEC 7816-9-2004 ISO/IEC 7816-10-1999 ISO/IEC 7816-11-2004 ISO/IEC 7816-12-2005 ISO/IEC 7816-13-2007 ISO/IEC 7816-15-2004)