9v water sensor alarm

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dr.syn
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Posts: 1291
Joined: Sat Dec 29, 2007 10:50 pm

9v water sensor alarm

Unread post by dr.syn »

Has anyone a copy of January's PBO (No.493)& they could scan or sketch the circuit for the 9v water sensor alarm. I've just seen this months but apparantly the Jan issue had a different transistor for the 9v battery.
Cheers
Mick - Aurora
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