Akarsh Agarwal
Published © GPL3+

Water Level Indicator | Transistor basic circuits

The water level indicator is the best electronic starter device indicating the water level and saves water correspondingly.

BeginnerFull instructions provided1 hour499
Water Level Indicator | Transistor basic circuits

Things used in this project

Hardware components

General Purpose Transistor NPN
General Purpose Transistor NPN
×1
LED (generic)
LED (generic)
×1
Resistor 330 ohm
Resistor 330 ohm
×1
SparkFun RedBot Buzzer
SparkFun RedBot Buzzer
×1

Story

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Schematics

Circuit Diagram

The positive terminal of the buzzer has to be connected to the emitter of the transistor and not the base.

Credits

Akarsh Agarwal

Akarsh Agarwal

23 projects • 29 followers
Im an electronics engineering student

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