Splash-screen

6 基于义隆单片机开发的PWM在按摩机上的应用99se电路图(6 Based on Elan microcontroller development of the PWM in the massage machine application 99se circuit )

stm32控制ad7606实现模数转换 spi(stm32 control ad7606 analog-to-digital conversion spi)

PM2.5激光传感器模块SDS系列使用手册(Handbook of SDS Series for PM2.5 Laser Sensor Module)

说明：  这是我毕业设计作品，基于TC35的GSM超速报警系统。包括串口控制TC35，点阵LED驱动显示。(This is my graduation work, based on the GSM TC35 overspeed alarm system. Including the serial control TC35, dot matrix LED display driver.)

说明：  1.系统整体设计 系本设计采用STC89C52单片机为主控芯片，结合外围电路矩阵键盘、液晶显示器LCD1602等部分组成,能够实现： 1 DS18B20不断采集周围环境温度； 2． 单片机处理温度的数据显示在DS18B20； 3． 用户设定温度报警的上限和下限；(1. Overall design of the system This design uses STC89C52 single chip microcomputer as the main control chip, combined with peripheral circuit matrix keyboard, liquid crystal display LCD1602 and other parts DS18B20 continuously collects the ambient temperature; 2. The temperature data processed by MCU is displayed in DS18B20; 3. The user sets the upper limit and lower limit of temperature alarm;)

nrf905模块的无线通信例子，希望有用(Nrf905 module wireless communication example, hope useful)

iic触摸屏驱动程序，支持多点触摸功能，应用于平板电脑上。(The iic touch screen drivers, and supports multi-touch function, applied to the tablet PC.)

NFC读卡，包括14443-A协议，14443-B协议，18092协议，读模式、卡模式的实现方式(NFC reader, including 14443-A protocol, 14443-B protocol, 18092 protocol, the read mode, the mode of the implementation)

ATT7053AU用户手册，代码，测试报告，答疑等，做单向电表的好选择(ATT7053AU user manual, applications, test reports, Q & A, etc., to make a good choice for one-way meter)

FM1188驱动程序（回音消除处理芯片），C语言编写(FM1188 driver (echo cancellation processing chip), written in C language)