How to make Water Level Indicator with Alarm using ULN2003

How to make Water Level Indicator with Alarm using ULN2003

Required Components:-
1) IC ULN2003
2) 1K Resistor x 7
3) Green x 2, Red x 2, Yellow x 3 LED
4) Buzzer 12V

➡️ 1 Circuit Diagram Link :- https://drive.google.com/file/d/1nTdX...

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