UMAT-material-thermal-model-

传输线等值电路计算实例，已调试成功，输出波形正确。(Transmission line equivalent circuit calculation example, has been successful commissioning, the output waveform is correct.)

用51单片机读取AD芯片7135，并显示在1602上，7135是一个高精度低速的AD芯片(With 51 MCU read AD chip 7135, and displayed in 1602, 7135 is a high-precision low-speed AD chip)

基于单片机的数字电容表设计代码，包含数码管的显示(Based on single chip microcomputer digital capacitance table design code )

ADXL345 加速度计 用户手册 中文资料(ADXL345 accelerometer User Manual Chinese data)

W78E58B单片机参数手册，英文版资料(Singlechip parameters W78E58B manual, English version of the information)

An ecological acoustic recorder (EAR) for long-term monitoring of biological and anthropogenic sounds on coral reefs and other marine habitats

光电传感器控制源码，非常实用，大家下载下来学习一下(Photoelectric Sensor Control Source Code)

基于STM32的单闭环水温控制系统，18B20传感器，PID控制(Single closed loop water temperature control system based on STM32)

一：硬件结构框图 在远程网络温度测控系统的中，硬件电路的核心是欧姆龙CPM2A型号的PLC，主要包括数据采集电路、放大电路、A/DD/A转换电路、控制电路等组成。(1: Hardware block diagram of the temperature on the remote network monitoring and control system, the hardware circuit is the core of CPM2A model Omron PLC, mainly include data acquisition circuit, amplifier circuit, A/DD/A conversion circuit, control circuit and so on.)

通用可变增益放大器，放大器的增益可设为四档：0.10―1.00，1.0―10.0，10―100，100―1000，程控DAC8043实现 ( Universal variable gain amplifier, the gain of the amplifier can be set to fourth gear: 0.10-1.00,1.0-10.0,10-100,100-1000, programmable DAC8043 implementation)