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以太网芯片w5500开发例程,提供给正在开发以太网的朋友(Ethernet chip w5500 development of routines)

单片机学习，光敏和热敏电阻实验中的DA-AD转换程序(MCU learning, photosensitive and thermistor experiment DA-AD conversion program)

基于STM32的平衡小车源码(精简入门版)，可实现小车的直立平衡。(Balanced car source code based on STM32 (streamlined entry version) can achieve vertical balance of the car.)

PWM调光 1、学习目的：利用定时器产生PWM，了解原理和使用方法 2、硬件要求：LED灯 定时器 3、试验现象：LED灯由亮到灭，由灭到亮逐步变化，也就是调光现象(PWM dimming, learning objectives: the use of the timer to generate PWM understand the principles and use hardware requirements: LED lamp timer test phenomenon: LED lights from bright to off, gradually changes from off to bright, that is, adjusted optical phenomena)

说明：  华为电路仿真培训教程，基于Hyperlyn平台仿真信号完整性电源完整性等高速PCB仿真设计平台(Huawei Circuit Simulation Training Course)

基于51单片机制作的函数信号发生器，用DA0832和运算放大器来输出，单片机产生信号，用proteus仿真了（内含），能够产生正弦波，方波，锯齿波，三角波的波形。(51 single-chip microcomputer-based production function signal generator, used to DA0832 and the op-amp output, single-chip signal, proteus simulation with the (implicit), can produce sine, square, sawtooth, triangle wave.)

msp430f1**系列单片机机的源程序，适合单片机初学者的c程序。(msp430f1** Series MCU machine source code, suitable for beginners SCM c program.)

单片机联网的UIP协议程序，以及必要的驱动程序。(Networked microcontroller UIP agreement procedure, and the necessary drivers.)

无线模块24L01的驱动和测试程序，经过验证，可以正常使用。(Wireless module 24L01 drivers and test program, after verification, can be used normally.)

stm32f103DAC输出两路正弦波600hz 2100hz(STm32f103DAC Outputs Two Sinusoidal Waves 600 Hz 2100 Hz)