Circuit Diagram Water Level Indicator. 14 water tank level indicator circuit diagram. It is built around priority encoder ic 74hc147 ic1 bcd to 7 segment decoder ic cd4511 ic2 7 segment display lts543 dis1 and a few discrete components.
Water level indicator circuit diagram. Transistor bc 547 resistors 6 330 ohm leds 3 buzzer battery 5 9 v circuit diagram bc 547 is an npn bipolar junction transistor that is used to amplify current to a certain level. You can use this circuit with any battery 37v4v6v9v12v etc.
The circuit works off 5v regulated power supply.
See the full video for detail. The water level indicator circuit diagram monitors the level of water in the tank and simultaneously switches on the water pump whenever the water level goes low in the water tank. The working of the complete water level indicator project is shown in below block diagram. Water level indicator circuit diagram.