digital

本系统是基于mega16的EEPROM的读写，程序可靠！(The system is based on the mega16 the EEPROM read and write, program and reliable!)

c51单片机的sle4442卡的读写加密验证程序 已通过(c51 microcontroller sle4442 card reader encrypted authentication procedure has been adopted)

dual-machine communications

红外的收发测试。。通过2路红外发射，顺序接收，检测收发功能是否正常(Infrared transceiver test. . 2-way infrared transmitter, received out of sequence detection transceiver function is normal)

这是 关于STM32单片机 PWM电机调速的 例程文件(this is about stm32 pwm )

采用VB编写的一个电路分析系统，支持现行电路的分析，具有电路图绘制，仿真功能，并包含了示波器等元器件。(using VB prepared a circuit analysis system, in support of the current circuit, with circuit diagrams mapping, simulation function, and includes components such as oscilloscopes.)

通过阵列键盘输入数字 数码管显示 六位数字(Six-figure through the array of keyboard input alphanumeric display)

这是一个用于工控的上位机系统，可以实时监测温度，露点，湿度。用户可以根据具体情况设定报警点，当达到报警点，系统通过邮件发送报警信息给用户。(This is a PC for industrial control of the system, can be real-time monitoring of temperature, dew point and humidity. Users can set alarms based on specific circumstances, when the police reached, the system, through e-mail warning messages to users.)

SIM900开发板配套STM32 GPRS代码(SIM900 STM32 GPRS driver)

用PIC单片机实现带音乐播放的电压表,最高实现3.3V的电压测试(PIC mcu)