Plant watering watching indicator ( mini project ): circuit diagram: Componants : R1,R4________470K 1/4W Resistors R2____________47K 1/2W Trimmer Cermet or Carbon R3___________100K 1/4W Resistor R5_____________3K3 1/4W Resistor R6____________15K 1/4W Resistor R7___________100R 1/4W Resistor C1_____________1nF 63V Polyester Capacitor C2___________330nF 63V Polyester Capacitor C3,C4_________10µF 25V Electrolytic Capacitors D1__________1N4148 75V 150mA Diode D2_____________5mm. Red LED IC1___________4093 Quad 2 [...]![]()
