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1、公共共阴和公共共阳首先，我们找个电源（3到5伏）和1个1K（几百的也欧的也行）的电阻，VCC串接个电阻后和GND接在任意2个脚上，组合有很多，但总有一个LED会发光的找到一个就够了，，然后用GND不动，VCC（串电阻）逐个碰剩下的脚，如果有多个LED（一般是8个），那它就是共阴的了。相反用VCC不动，GND逐个碰剩下的脚，如果有多个LED（一般是8个），那它就是共阳的。也可以直接用数字万用表，红表笔是电源的正极，黑表笔是电源的负极。型号规格颜色单价说明LG3611AH0.36"单联共阴红0.95LG3611BH0.3

2、6"单联共阳红0.95LG3611AG0.36"单联共阴绿1.05LG3611BG0.36"单联共阳绿1.05LG3621AH0.36"双联共阴红1.99LG3621BH0.36"双联共阳红1.99LG3631AH0.36"三联共阴红2.80LG3631BH0.36"三联共阳红2.80LG3641AH0.36"四联共阴红3.90LG3641BH0.36"四联共阳红3.90LG3911AH0.39"单联共阴红0.95LG3911BH0.39"单联共阳红0.95LG3911AG0.39"单联共阴绿1.05LG3911BG

3、0.39"单联共阳绿1.05LG3941AH0.39"四联共阴红4.95带冒号，无小数点LG3941BH0.39"四联共阳红4.95带冒号，无小数点LG5011AH0.5"单联共阴红0.70LG5011BSR0.5"单联共阳红0.70LG5011AG0.5"单联共阴绿0.75LG5011BG0.5"单联共阳绿0.75LG5022AH0.5"双联共阴红1.85LG5022BH0.5"双联共阳红1.85LG5611A0.56"单联共阴红0.70LG5611B0.56"单联共阳红0.70LG5611A0.56"单联共阴绿0

4、.75LG5611B0.56"单联共阳绿0.75LG5621AH0.56"双联共阴红1.85LG5621BH0.56"双联共阳红1.85LG5631AH0.56"三联共阴红2.75LG5631BH0.56"三联共阳红2.75LG5641AH0.56"四联共阴红4.20不带冒号LG5641BH0.56"四联共阳红4.20不带冒号LG5641AG0.56"四联共阴绿4.20不带冒号LG5641BG0.56"四联共阳绿4.20不带冒号LG5641AH0.56"四联共阴红4.20带冒号：LG5641BH0.56"四联共阳红4

5、.20带冒号：LG8011AH0.8"单联共阴红1.20LG8011BH0.8"单联共阳红1.20LG10012DH10段光柱红1.80LG12012DH12段光柱红3.25φ3发光管红0.08管体透明发红光φ3发光管红0.085φ3发光管黄0.085φ3发光管绿0.08φ3发光管白2.20φ3发光管兰0.70φ5发光管绿0.09φ5发光管兰0.70φ5发光管白2.20φ5发光管黄0.10φ5发光管红0.10回答者：maya100

6、四级

7、2009-6-600:32

8、检举型号规格颜色单价说明LG3611AH0.36"单

9、联共阴红0.95LG3611BH0.36"单联共阳红0.95LG3611AG0.36"单联共阴绿1.05LG3611BG0.36"单联共阳绿1.05LG3621AH0.36"双联共阴红1.99LG3621BH0.36"双联共阳红1.99LG3631AH0.36"三联共阴红2.80LG3631BH0.36"三联共阳红2.80LG3641AH0.36"四联共阴红3.90LG3641BH0.36"四联共阳红3.90LG3911AH0.39"单联共阴红0.95LG3911BH0.39"单联共阳红0.95LG3911AG0.3

10、9"单联共阴绿1.05LG3911BG0.39"单联共阳绿1.05LG3941AH0.39"四联共阴红4.95带冒号，无小数点LG3941BH0.39"四联共阳红4.95带冒号，无小数点LG5011AH0.5"单联共阴红0.70LG5011BSR0.5"单联共阳红0.70LG5011AG0.5"单联共阴绿0.75LG5011BG0.5"单联共阳绿0.75LG5022AH0.5"双联共阴红1.85LG5022BH0.5"双联共阳红1.85LG5611A0.56"单联共阴红0.70LG5611B0.56"单联共阳红0.7

11、0LG5611A0.56"单联共阴绿0.75LG5611B0.56"单联共阳绿0.75LG5621AH0.56"双联共阴红1.85LG5621BH0.56"双联共阳红1.85LG5631AH0.56"三联共阴红2.75LG5631BH0.56"三联共阳红2.75LG5641AH0.56"四联共阴红4.20不带冒号LG5641BH0.56"四联共