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The water level indicator using ic is a system that gets information about the water level in tanks which is used in homes and public places. We can control the overflow of water tanks by using the tank level indicator. As everybody knows When the water is stored in the tank, nobody can identify the actual level of water in the water tank. That is way mostly water tank overflow and its great loss of water as well as electricity.
In this simple water level indicator project, we have used a Switching IC ULN 2003 to indicate the water in the tank. Nowadays many projects on water indicators are available such as slope indicator water level meters, Digital water level indicators, water indicators using transistors, water level indicator alarms, etc.
In this circuit, we are using switching IC ULN 2003 commonly used switching IC. Components used in these Projects areas:
In this following animated circuit diagram, we have cleared all components with their connection you can use long wires according to the distance of your tank to the electric board.
We can also use an alarm with this circuit. It will alert you that now the tank is full and you should turn off the water pump.
We can also use a Cut off Relay with this circuit, When the Tank will be full relay will cut off the power automatically.
In this circuit given about we have cleared all connections with the auto cut-off water pump When the tank will be full water Pump will auto turn off because a relay is connected with the 7th output of ic.
ULN2003 Pin Description
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Pin No
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Functions of all Pins
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PINs
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1
|
Input for 1st channel (envirementalb.com))
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Input 1
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2
|
Input for 2nd channel
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Input 2
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3
|
Input for 3rd channel
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Input 3
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4
|
Input for 4th channel
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Input 4
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5
|
Input for 5th channel
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Input 5
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6
|
Input for 6th channel
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Input 6
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7
|
Input for 7th channel
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Input 7
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8
|
Ground (0V)
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Ground
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9
|
Common freewheeling diodes
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Common
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10
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Output for 7th channel
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Output 7
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11
|
Output for 6th channel
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Output 6
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12
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Output for 5th channel
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Output 5
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13
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Output for 4th channel
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Output 4
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14
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Output for 3rd channel
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Output 3
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15
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Output for 2nd channel
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Output 2
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16
|
Output for 1st channel
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Output 1
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