DigitalMeter_src

说明：  可以实现不通过的按键功能，模式切换，声道调节(Implementing the function of keys that do not pass)

mcs51系列单片机通信波特率初值计算小工具软件注意晶振区别(mcs51 series microcontroller communication baud rate initial calculation gadgets software Note the difference between the crystal)

基于51单片机的232串口通信源码，有大量实例，其中包括数据发送、接收、双向通信、1206通信显示等，有汇编代码也有C语言代码，在实际项目中可以直接复制。(Based on 51 SCM 232 serial interface communication source, there are plenty of examples, including data sending and receiving, two-way communication, 1206 communications display, assembly code also have C language code, in practical projects can copy.)

section network for next generation wireless network

振幅调制,角度调制，频率调制等几个源程序，模拟通信系统(Amplitude modulation, angle modulation, frequency modulation, such as source code, analog communication systems)

基于ARM Cortex-M4F(TM4C123)单片机 ，编程控制TM4C123微控制器的RTC 模块，实现一个简易的数字时钟，具有多种功能 ?【功能】 ?（1）UART输出当前时间信息，UART可设置日期和时间，设置方法自定； ?（2）可通过UART 设置/查询闹钟，定闹时间到，从UART输出提醒； ?（3）在液晶屏上显示日期和时间信息（中文）； ?（4）可使用实验板上的K1-K4按键修改日期和时间，设置方法自定； ?注：该题依赖于“3”，需先完成“3”才可做该题 ?（5）农历功能，农历自动跟踪阳历的变化； ?（6）24节气功能(Based on ARM Cortex-M4F (TM4C123) MCU, the RTC module of TM4C123 microcontroller is programmed and controlled to realize a simple digital clock, which has many functions. (function) (1) UART output the current time information, UART can set the date and time, set the method to set itself. (2) the alarm clock can be set / inquired by UART, and the time is up until UART is output. (3) display date and time information on LCD screen (Chinese); (4) you can use the K1-K4 button on the experiment board to change the date and time, and set the method to set it. Note: the question depends on "3", and it is necessary to finish "3" first. (5) the function of the lunar calendar, and the lunar calendar automatically tracks the changes of the solar calendar. (6) the function of 24 throttle)

说明：  TLC5615产生各种波形，dac处理芯片，精度为十位的DAC，产生方波 正弦波 三角波等(TLC5615Produce various waveform形)

基于c8051f360的DDS信号发生器的单片机代码，实现各种波形(Based on the DDS signal generator of MCU c8051f360 code, implement various waveform)

单片机c程序，实现数据的发送和接收。结构简单，课程设计可用(Singlechip c procedures, to achieve the sending and receiving data. )

使用stm32单片机控制串行数码管 库函数版本 所用开发板为正点原子mini开发板(Use stm32 SCM serial digital version of library functions used in atomic mini development board development board for the punctual)