JonathanChan wrote: 力士 wrote: 如果用12V泵就可以唔行relay ! 置於虹吸問題, 只要你個落水喉放高少少, 唔好插入水就ok啦 ! 其實仲有個好處, 會靜D, 唔會聽到達達聲。 12V 泵魚街有賣$45-50(不過唔連牛) 我依家係用緊12v Relay,成日達達聲,(不過我用途唔同,我主要用來降低草缸D水位) , 做自動加水器應該唔會有我個問題~ 唔知有冇人試過個水位探測器個白寶膠鬆出來返轉按,個開閂關係會相反左? 我試過係咁,你地果D係唔係都係咁???
力士 wrote: 如果用12V泵就可以唔行relay ! 置於虹吸問題, 只要你個落水喉放高少少, 唔好插入水就ok啦 !
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