To piezo buzzer
From
transformer
Push to
test SW1
R2
Q1
BR1
Q2 R3
R5
C1
R4
R1
To water probe (sponge)
D
Install the Water Probe
Jeff Tregre ( buildingultimatemodels.com) is an electrical
engineer from New Orleans, La. He has over 20 years of professional experience in R&D, component design, assembly,
and manufacturing, and is also interested in model building
and robotics.
G
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