dhtcy

RTL8019AS中文数据手册，方便各位用户(RTL8019AS Chinese data sheet, ease of user)

说明：  进行速度的测量与监控，具有测速频率高，精度高，反馈效果好等优点(Speed measurement and monitoring has the advantages of high frequency, high accuracy and good feedback effect.)

精心编写程序模块，关于全国电子设计大赛的资料(Elaborate Programming Module, Information about National Electronic Design Competition)

说明：  磁保持继电器通断测试程序，采用AT89S51控制。(Magnetic self-perpetuating relay-off test procedure, using AT89S51 control.)

AVR单片机串口测试程序,适用于ATmega16(the test of usart )

STM32L151的例程，包括ADC,DAC,DMA,PWM,EXTI等等，很全(STM32L151 routines, including ADC, DAC, DMA, PWM, EXTI, and so forth, very full)

说明：  32 F429同时使用定时器2和4实现中断控制LED0和1闪烁(USING TIM2 AND TIM4 IN THE MEANWHILE)

msp430 g2553 和四线制的lcd1602连接，非常适合g2系列的io少的芯片使用(the msp430 g2553 and the four-wire lcd1602 connection is ideal for G2 Series fewer chips use io)

STM32控制24位ADC实现模数转换功能，并利用OLED显示。(STM32 controls the 24 bit ADC to realize the analog-to-digital conversion function and displays it by OLED.)

单片机控制SIM900A模块 短信电话语音提示按键操作远程控制 短信报警 带电路原理图 代开发的项目 发上来共享(SCM control module SMS phone voice prompts SIM900A key operation SMS alarm with remote control circuit diagram generation development projects made up sharing)