Bitki Sulama Devresi

R1___________470K   1/4W Resistor
R2_____________3K3  1/4W Resistor
R3___________100K   1/2W Trimmer Cermet

C1_____________1nF  63V Polyester Capacitor
C2____________47µF  25V Electrolytic Capacitor

D1__________1N4148  75V 150mA Diode
D2_____________5mm. Red LED

IC1___________4093  Quad 2 input Schmitt NAND Gate IC

P1,P2_______Probes  (See text)

SW1___________SPST  Slider Switch

B1______________3V  Battery (2 AA 1.5V Cells in series)