Difference between revisions of "Matrix - LED/zh"

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(Created page with "English ==介绍== LED 一个直径为5mm的LED,3-Pin 2.54mm排针,V接电源,G接地,S信号通过一个三极管放大控制...")
 
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[[Matrix - LED|English]]
 
[[Matrix - LED|English]]
 
==介绍==
 
[[File:led.jpg|thumb|LED]]
 
一个直径为5mm的LED,3-Pin 2.54mm排针,V接电源,G接地,S信号通过一个三极管放大控制LED的导通或关闭。您可以向S输出静态的高低电平信号,也可以输出变化的PWM信号,信号电平可以是3.3V或5V。当您向S输出高电平时LED以最大亮度发光,低电平就完全熄灭,可变占空比的PWM信号可以调节发光的亮度。我们提供红、绿、蓝三种颜色的配件供您购买。
 
 
==特性==
 
* GPIO或PWM控制,3.3/5V电平,亮度通过PWM可调
 
* 体积小巧, 带固定孔,方便嵌入到外壳
 
* 2.54mm排针接口,接线方便,通用性强
 

Revision as of 11:16, 16 July 2015

English