How to make Fully Automatic Water Level Controller with Alarm using BC547 & NE555
Required Components:-
1) BC547 Transistor x 10
2) 680 ohm Resistor x 5
3) Red, Green, Blue, Yellow, LEDs
4) 1N4007 Diode x 2
5) 1K Resistor
6) 5V Buzzer
7) NE555 IC
8) 10K Resistor x 2
9) Relay 5V
10) 100 ohm Resistor
Circuit Diagram Link :- [ Ссылка ]
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