Music demo for buzzer under AVR development environment.
The purpose of this document is to present how to use the Timer for the generation of a PWM signal tunable in frequency and duty cycle. As an application example, this documen...
s3c2410 ads下的测试程序移植到 iar ewarm v5.2；包括 Please select function : 0 : Please input 1-14 to select test 1 : Real time clock display 2 : 4 key array test 3 : Buzzer test 4 : ADC t...
风扇是大众电器,技术的发展,风扇的功能日趋多元,各种新型风扇相继问世。然而,却鲜有商家在设计产品时考虑到风扇的使用安全问题。本论文将介绍一种基于单片机的幼儿防触风扇系统,设计通过检测接近物的实时距离来控制电风扇的启停。系统主要选用STC89C52单片机作为控制中心,HC-SR04超声波传感器检测实时距离,液晶屏显示实时距离,红外遥控实现风扇手动启停...