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Soil Moisture Tester(STEAM Education)

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To learn how to build a soil moisture tester that alerts when soil moisture levels are low.

Project : 32


Soil Moisture Tester

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Project Aim:

To learn how to build a soil moisture tester that alerts when soil moisture levels are low.


Components Used:

1.     Soil Pot

2.     Power Supply

3.     Transistor NPN

4.     Buzzer

5.     Resistor 1K &10K

6.     Probes

7.     Connecting Wires



Circuit Diagram:


Connection Procedure:  

Step 1: Connect the positive terminal of the power supply (Pin 62) to one end of the 1K resistor (Pin 5).

Step 2: Connect the other end of the 1K resistor (Pin 6) to one of the soil probes.

Step 3: Connect the positive terminal of the power supply (Pin 63) to the positive terminal of the buzzer (Pin 54).

Step 4: Connect the negative terminal of the buzzer (Pin 53) to the collector of the NPN transistor (Pin 31).

Step 5: Connect the emitter of the NPN transistor (Pin 29) to the negative terminal of the power supply (Pin 59).

Step 6: Connect the base of the NPN transistor (Pin 30) to one end of the 10K resistor (Pin 11).

Step 7: Connect the other end of the 10K resistor (Pin 12) to the negative terminal of the power supply (Pin 60).

 

Explanation:

              The soil moisture tester circuit helps us understand soil moisture levels in a pot. It works by sensing the conductivity of the soil using probes. When moisture levels drop, soil conductivity increases. This triggers a transistor, activating the buzzer to emit a beep, signaling low soil moisture. By building and understanding this circuit, we learn to monitor and manage soil moisture effectively for healthy plant growth.


If you want to post your project ,research or any document related to Ai,Ml,IoT,Robotics then please email us with your image ,details and your project at blog@nepatronix.org




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