Water Sensor Circuit

Water Sensor Circuit: This circuit can be used to detect water level and same circuit can be used as rain sensing circuit the only need to be replaces is the sensor.

Step 1: Manage the Material and Tools Before Starting Your Task

Material:

1. General Purpose PCB 2x2 inch.

2. Resistor: 10K ---------- 2 Nos.

3. Resistor: 15K ----------1 No.

4. Resistor: 1K ----------1 No.

5. Transistor: 2222A ---------- 2 Nos.

6. Capacitor: 22uF/25V ---------- 1 No.

7. Red LED: 5mm ----------1 No.

8. Black & Red wire ---------- 1 meter.

9. 9V battery with connector ---------- 1 No.

Tool:

Cutter, solder, soldering iron etc.

Step 2: Go Through the Following Steps

1- Mount all the components on the PCB according to the circuit diagram.

2- Connect the battery with correct polarity.

3- Connect the sensor wire together to test initially.

4- Put the sensor wire into the water, LED should glow.

Step 3: Warning

DO NOT CONNECT THE BATTERY IN WRONG POLARITY SINCE IT IS HAVING AN ELECTROLYTIC CAPACITOR AND IT MAY BE DAMAGED AND MAY DAMAGE YOU TOO.

Step 4: Feedback... Why?

Your feedback can be helpful in upgrade of this circuit.