dssz.com_9200_dtmf

说明：  简单的lcd1602显示代码，说明通俗易懂(Simple lcd1602 display code)

宽频放大器,有以下功能: 预置增益,增益加/减,显示输出电压有效值,自动增益 显示有效值. 增益输入及加减 自动增益没有实现(Wideband amplifier has the following functions: Preset gain, gain plus/minus, the display output voltage RMS, automatic gain display rms. AGC gain input and subtraction is not implemented)

买的一块开发板的开发文档、原理图还有PCB板，并且附有PCI9054的驱动程序及上位机测试应用程序，调试时需要安装Windriver。(Development board to buy a piece of the development of documents, there are PCB board schematics, and with the PCI9054 PC drivers and test applications, when the need to install debug Windriver.)

使用Ht66fu50单片机设计闹钟，使用12864显示，DS1302时钟芯片，DS18B20温度传感器，蓝牙的相关硬件，该作品获得天津市合泰杯三等奖。(Use Ht66fu50 microcontroller design alarm clock, use 12864, DS1302 clock chip, DS18B20 temperature sensor, Bluetooth related hardware, the work won the third prize of Tianjin cup of Thailand.)

实现用单片机控制直流电机调速功能，可用，有hex文件(Achieve MCU control DC motor speed control function is available, a hex file)

CC2530 步进电机控制实验。一个简单的例程(CC2530 stepping motor control experiment)

通过51单片机实现串口通信，并在外接LED显示器上显示。(51 microcontroller via serial communications, and displayed on an external LED display.)

BH1750光强传感器测光控制，TIP-Camera-CGI(BH1750 light intensity sensor metering control, TIP-Camera-CGI)

与单片机接通,实时获得室内温度和湿度数据的程序(Connected with the microcontroller, real-time access to the indoor temperature and humidity data of the program)

根据对应的按键值，对应输出相应的电容值，并做掉电检测(According to the corresponding key value, corresponding to the output of the corresponding capacitance values ​ ​ and do brownout detection)