55

一个简易的频率计，主要用检测在一定范围内的频率，当然频率过大会有误差(A simple frequency meter, mainly used for testing in a range of frequencies, of course, frequency of errors over the General Assembly)

A， 单发单收，在发送状态，能够连续发送从0到99的数字； B， 单发单收，在接收状态，能够接收数据，并在数码管上正确地显示出来； C， 单发多收，在AB完成的基础上，接上多个接收设备，能够正确发送和接收 这是从站2的代码(A, single-input single in the sending state, capable of continuously transmitting a number from 0 to 99 B, single-input single in the receiving state, capable of receiving data, and display correctly in the digital tube out C, single overcharged, on the basis of AB completed, connect multiple receiving devices, capable of sending and receiving the correct code from the station which is 2)

一个典型的Select IO 模型实例源代码，供大家参考使用，要下从速！(A typical model Select IO source code examples for your use and reference to the next as soon as possible!)

进行速度的测量与监控，具有测速频率高，精度高，反馈效果好等优点(Speed measurement and monitoring has the advantages of high frequency, high accuracy and good feedback effect.)

脉搏血氧仪采用无创式技术测量血液中的氧含量。(The pulse oximeter was used to measure the oxygen content in the blood by noninvasive technique.)

一天攻破k60，包含k60的基础知识，开发软件介绍(One day to break through k60, including the basic knowledge of k60, development software introduction)

基于mega16的十六位PWM波的配置和说明。(mega16 PWM)

SIM900 firmware rferergegrgerg

扭振减振器双质量飞轮在加载和卸载工况下的减振特性的仿真曲线(Simulation curve torsional vibration damper dual mass flywheel in the loading and unloading conditions damping characteristics)

单片机典型系统设计实例精讲　第6章 红外遥控电子密码锁(SCM typical system design examples in Chapter 6 of Intensive infrared remote control electronic password lock)