Automatic Water Pump Motor Controller

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Hii friend,

Today I am going to make a circuit of automatic water pump motor controller circuit using 2N222 Transistor and relay.

Let's get started,

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Step 1: Take All Components As Shown Below

Components required -

(1.) Relay - 6V/12V x1

(2.) Diode - 1N4007 x1

(3.) Resistor - 220 ohm x1

(4.) Transistor - 2N222 x1

(5.) 230V AC Motor (Here I am using an LED light as load instead of Motor)

(6.) Battery - 9V x1

(7.) Battery clipper x1

(8.) Connecting wires

Step 2: Circuit Diagram

Connect all components according to this circuit diagram.

Step 3: Connect Transistor to Relay

Firstly we have to solder Collector pin of transistor to coil-1 pin of the Relay as solder in the picture.

Step 4: Connect Diode to the Relay

Next we have to connect diode to the circuit.

Solder +ve of diode to coil-1 and -ve of diode to coil-2 of the relay as you can see in the picture.

Step 5: Connect 220 Ohm Resistor

Next we have to connect 220 ohm resistor to base pin of the transistor as you can see in the picture.

Step 6: Connect Battery Clipper Wire

Solder +ve wire of battery clipper to coil-2 of the Relay and

solder -ve wire of battery clipper to emmiter pin of the transistor as you can see in the picture.

Step 7: Connect Two Wires for Water Sensor

Solder a wire in coil-2 of the relay and another wire in 220 ohm resistor as solder in the picture.

Step 8: Cut Phase Wire of Motor/LED Light (220V Appliance)

Next Cut phase wire of Motor/LED light as cut in the picture (220V appliance).

Step 9: Connect Cut Phase Wire

Now connect cut phase wire to the relay as given in circuit diagram.

Solder a wire to common pin of the relay and solder another wire to NC pin of the relay as solder in the picture.

Step 10: Connect Battery

Connect battery to battery clipper of the circuit.

Step 11: Give 220V AC Main Power Supply

Now when we will give main power supply to the motor then motor will be start and water will be filling.

Step 12: Automatic Turn Off Motor

As water will fill upto wires then the Motor will be turn off automatically.

As picture shows light/Motor gone turn off automatically when water filled upto the wires.

Thank you

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