新闻中心

EEPW首页 > 光电显示 > 设计应用 > 网友分享LED手电自制电路

网友分享LED手电自制电路

作者：时间：2013-03-16 来源：网络

LED手电具有省电、耐用、亮度强等优点。非常受欢迎，这里介绍一个LED手电制作的经典电路，供大家参考。

1、1.5V低成本LED驱动电路

LED驱动电路

磁环选用T9*5*3/2K，也可用T10*6*5等，用0.3mm漆包线双线并绕20T，按图中同名端连接。TR1选8050或9014，D1选4937或107，PCB用一片废板自制。

2、1.2v升3.4v电源电路

电源电路

<a href='https://ad.eepw.com.cn/www/delivery/ck.php?n=a7a83b30&cb=INSERT_RANDOM_NUMBER_HERE' target='_blank'><img src='https://ad.eepw.com.cn/www/delivery/avw.php?zoneid=114&cb=INSERT_RANDOM_NUMBER_HERE&n=a7a83b30' border='0' alt='' /></a>
<a href='https://ad.eepw.com.cn/www/delivery/ck.php?n=a3d98779&cb=INSERT_RANDOM_NUMBER_HERE' target='_blank'><img src='https://ad.eepw.com.cn/www/delivery/avw.php?zoneid=115&cb=INSERT_RANDOM_NUMBER_HERE&n=a3d98779' border='0' alt='' /></a>
<a href='https://ad.eepw.com.cn/www/delivery/ck.php?n=abca108c&cb=INSERT_RANDOM_NUMBER_HERE' target='_blank'><img src='https://ad.eepw.com.cn/www/delivery/avw.php?zoneid=116&cb=INSERT_RANDOM_NUMBER_HERE&n=abca108c' border='0' alt='' /></a>
<a href='https://ad.eepw.com.cn/www/delivery/ck.php?n=a1775170&cb=INSERT_RANDOM_NUMBER_HERE' target='_blank'><img src='https://ad.eepw.com.cn/www/delivery/avw.php?zoneid=117&cb=INSERT_RANDOM_NUMBER_HERE&n=a1775170' border='0' alt='' /></a>
<a href='https://ad.eepw.com.cn/www/delivery/ck.php?n=a449048b&cb=INSERT_RANDOM_NUMBER_HERE' target='_blank'><img src='https://ad.eepw.com.cn/www/delivery/avw.php?zoneid=118&cb=INSERT_RANDOM_NUMBER_HERE&n=a449048b' border='0' alt='' /></a>

关键词： 网友分享 LED手电 自制电路

关闭