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指纹电子锁单片机控制程序，使用PIC单片机，用串口和指纹模块通讯(Single-chip fingerprint electronic lock control procedures, the use of PIC microcontrollers, and fingerprint module with serial communication)

称重模块，oled显示重量，RTC时钟显示时间，矩阵按键修改时间(Weighing module, OLED display)

说明：  基于STM32平台下的FSMC外接SRAM的程序(Program of FSMC external SRAM based on STM32 platform)

HMC5883L STM32驱动代码，采用I2C总线进行通信的。(HMC5883L STM32 driver code, using the I2C bus communication.)

说明：  emWIN5.12中文手册，不是最新版本，但大部分函数都在(EMWIN 5.12 Chinese manual, not the latest version, but most functions are in)

Numerical Relays Documents

This project of digital thermostat is made in asm.

基于ds18b20 及51单片机 程序数字温度计设计程序 (Ds18b20 and 51 of the SCM process-based digital thermometer design process)

最小的单片机PWM控制，电压控制PWM输出，智能化，体积小。(ADC control PWM output)

modbus规约通讯测试小工具-工作空间。利用mfc实现modbus串行通信(Modbus protocol communications test tool- work space. Using MFC to achieve MODBUS serial communication )