7148| 35
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X4 液晶屏背光灯条 |
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点评
电阻的功率,应该大于LED 功率. 我是采用大功率二极管,来替代电阻,不容易发热.效果不错. CT 的6A10-0.15元/个, 比购买大功率电阻便宜,
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