sorry for my bad english and if i put in a wrong section, i buy this relay months ago, after asking in this forum turn out this relay is 12v, i don't know why maybe because it 12v, it has a jumper, what jumper do? and what COM pin do? i have 12v adaptor, how to use it to this relay? sorry i a…

12v relay

system February 9, 2019, 1:33pm 2

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