How to make Water Level Indicator with Carbon Sensor and Alarm

Published at : 23 Dec 2025

How to make Water Level Indicator with Carbon Sensor and Alarm

Required Components:-
1) BC547 Transistor x 4
2) 220 ohm Resistor x 4
3) Red, Green, Yellow, LEDs
4) 1K Resistor x 4
5) 12V Buzzer
6) DC Female Jack Connector

👉 How To Make Water Level Carbon Sensor
Video Link:- https://youtu.be/WfgmJ1qFcN8

👉 Circuit Diagram Link:- https://drive.google.com/file/d/1apvEHLOUx3BiPazk_I1QWLn_I7Q7jjrO/view?usp=sharing

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▶️ How to make Wireless Water Level Indicator with Alarm
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