led方向燈加電阻 - 機車

By Jacob
at 2018-12-01T05:00
at 2018-12-01T05:00
Table of Contents
大家好
小弟最近換了led方向燈會快閃
上網爬了文
大概就是並聯電阻讓總電阻跟原本一樣
就不會快閃
首先我量了車上原本的燈泡是 1ohm
led的是很大,所以並聯時可以忽略
所以我只要找個1 ohm的電阻並聯應該即可
我有試過跟原本的燈泡並聯,不會快閃
但是要買電阻時發現電阻有分瓦數
google了一下,瓦數是指可以承受的量
這時我就覺得疑惑
W= V平方/R
機車電量用12v來算
12*12/1=144w!?
這樣我要買到超過144w的電阻?
還是我有哪邊理解錯誤了
小弟車是直接模組控制方向燈
所以無法從繼電器下手
麻煩各位了
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Sent from JPTT on my Motorola Moto G (5) Plus.
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