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[Xinjiang Institute of Engineering] Breathing light circuit design based on 555 timer

 
Overview

新疆工程学院“立创杯”大赛
获奖人:任帅
获奖信息:二等奖
参赛题目:基于555定时器的呼吸灯电路设计
基本要求:
1.LED能够渐亮渐暗;
2.电路中可调电阻改变LED灯自动开关的拖延时间;
3.电路采用5V直流电源或4节碱性电池供电;
参考设计图片
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