经典的Carmack求平方根算法

MFRC522射频读卡器数据手册 IC-S50数据手册 包含相关性能简介(MFRC522 Radio Frequency Card Reader Data Manual IC-S50 Data Manual Contains a Brief Introduction to Related Performance)

经典的can总线书籍——现场总线CAN原理与应用技术 饶运涛邹继军郑勇芸(can-bus)

单片机计算机设计，实现加减乘除，包括小数点的运算，用的是4*4的键盘(Single chip computer design, realization add, subtract, multiply and divide, including the operations of the decimal point, with 4* 4 is the keyboard)

51c超声波测距程用12864显示，利用测距的是超声波模组，效果良好。(51c Ultrasonic Ranging procedures)

Alarm / launcher Implemented all the basic functions and features: timer, playing Call (wav), running an application / document, save the settings (manual and automatic), autoloading and avtosvorachivanie (being involved and switchable by the user), the player calls (wav ov), with which you can lose wave y in the right directory and select it by double-clicking.

介绍单相全桥逆变器的工作原理, 阐述产生SPWM波和实现PI 控制的算法, 给出以DSP( 数 字信号处理器) 实现控制的软件流程。实验表明利用软件完成逆变器控制是可行的。 关键词: 正弦逆变器 (Introduction of single-phase full-bridge inverter working principle, the resulting SPWM wave and realize PI control algorithm to DSP (digital signal processors) to achieve software flow control. Experiments show that the use of software controlled inverter is feasible. Key words: sine inverter)

基于keil5的STM32F030的AD+串口(AD+ serial port of STM32F030 based on keil5)

说明：  合泰单片机HT66F2390 例程+原理图+源代码(Hetai MCU ht66f2390 routine + schematic diagram + source code)

飞思卡尔血压计源代码，官网下载文件，血压设计非常有参考作用(fresscal blood pressure monitor)

基于AT89S52的VB遥控播放器红外遥控解码(Infrared remote control decoder based on AT89S52 the VB remote player)