MQ137-DQ

采用MSP430单片机控制VS1003芯片进行MP3播放， MSP430通过读取 SD 卡里面的MP3歌曲，将数据发往VS1003进行解码，然后通过音频输出进行播放。(VS1003 using MSP430 MCU control chip MP3 player, MSP430 by reading the SD card inside the MP3 songs, the data will be sent to the VS1003 is decoded and then played through the audio output.)

51单片机从RX获取GPS信息再操控TX用GSM模块发送至制定手机(51 microcontroller to obtain GPS information from the RX to control TX with GSM module to send to develop mobile phone)

燃料电池监控程序，使用labview2012,通讯卡采用周立功can卡。(The fuel cell monitoring program)

RTT常见函数，可以清楚的了解RTT的调用关系，非常实用(RTT common function, can clearly understand the calling relationship of RTT, very practical)

说明：  双路输出控制器”具有信号输出时间设定、 输出信号占空比调整、 当前输出通道及时 间显示、系统工作参数存储、串口通讯及 LED 指示等功能。 “双路输出控制器”通过串口完 成信号输出时间设定功能；通过 EEPROM 完成系统工作参数存储功能；通过按键完成输出通 道切换、 输出信号占空比调整及停止信号输出功能； 系统硬件电路主要由 MCU 控制单元、独 立按键、 LCD 显示单元、 串口通讯单元、 EEPROM 数据存储单元和 LED 指示单元组成(Dual output controller has the signal output time setting, adjust the duty cycle of the output signal, the current output channel in time Between display, system operating parameters are stored, serial communications and LED indicator. Dual Output Controller through serial END A signal output time setting function complete system operating parameters via EEPROM memory function complete output pass through the key Channel switching, adjust the duty cycle of the output signal and the stop signal output function the system hardware circuit is mainly controlled by the MCU unit, alone Li buttons, LCD display unit, serial communication unit, EEPROM data storage unit and LED indication units)

说明：  矩阵按键，数码管显示状态及选手，蜂鸣器提示音(Matrix keys, digital display status and player, buzzer prompt sound)

CRF 准确率、精确率、召回率、F值计算程序(CRF accuracy, precision, recall, F value calculation program)

这是LPC1114单片机的I2C总线的程序，程序已可以运行，txt版文件。(This is a program LPC1114 microcontroller I2C bus, the program has been run, txt version of the file.)

无线温度控制及监测系统，基于stm32开发(Wireless Temperature Control and Monitoring System)

基于STM32单片机的oled显示屏显示驱动代码(OLED display driver code based on STM32 microcontroller)