Water level indicator using IC

water level indicator using an IC

This article is about water level indicator using an IC (ULN2003). The intigrated circuit ULN2003 used as a high-voltage, high-current Darlington transistor array and it consists of seven Darlington pairs. Each pair of ULN2003 IC acts as a high-power switch. This IC is commonly used to drive realays, stepper motors, and different  high-power devices. In this Water Levl Indicator project we have used this IC to control the LEDs to indicate level of water in water tank.

Circuit Diagram of Water Level Indicator

This animated circit diagram of Water level indicator is given below in detail you can understand the actuall designing of this circuit this diagram easily.

water level indicator using an IC

Working of Water level indicator using ic ULN2003

To understand the working of water level indicator using IC 2003 we must understand the working diagram of this this ic.

IC ULN 2003 Circuit Deagram

  • in this diagram we have used 7 Leds using 1k resistor
  • Each sensor probe is connected to one input of the ULN2003.

The sensor probes are placed at different water levels in the water tank. Depending on the water level, some probes might be submerged, creating a conductive path between the probe and the water. while others may not be submerged, creating an open circuit. When a probe is submerged, it allows current to flow through it, which in turn activates the corresponding input of the ULN2003. The ULN2003, being a Darlington array, amplifies the current from the sensor probe and can drive external loads such as LEDs or other indicators.By connecting LEDs or other indicators to the outputs of the ULN2003, you can visually indicate the water level.

Advantages of Water Level Indicator

Ther are several advantages of Water level indicators. Here are some of the key advantages:

  • Prevention of Overflows:
  • Conservation of Water:
  • Convenience:
  • Early Detection of Leaks or Malfunctions:
  • Automation and Integration:
  • Versatility:
  • Cost-effectiveness:

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