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Water Level Indicator on Breadboard

It indicates the water level of tank just before the over flow.

Components:

1) 3 LED's


2) 4, 100 Ohms Resistors

3) 4 NPN Trasistors (Code: BC547)
4) 1 Buzzer
5) 9 Volts Battery
Circuit Diagram:
Schematic Diagram:


Video:

9 comments:

  1. i want to add buzzer on each LED then what should i do, please guid

    ReplyDelete
  2. I want to know design consideration for this circuit.

    ReplyDelete
  3. Great post.Thanks for sharing this article with us.keep posting!!!
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  4. Nice circuit. Here is a water level circuit based on Cmos ic with motor dry run alert.
    https://www.kjmindia.in/2018/06/6-led-water-level-indtr-with-mtr-dry.html

    ReplyDelete
  5. in the circuit showing SL100 transistor, is it possible using SL100?

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  6. This comment has been removed by the author.

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  7. Nice to see this article , it’s so more informative Information. Thanks for sharing.
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  8. Telemetry tank lavel sensor measure tank level using “non-contact” technology that looks down at the water from above. These sensors are used in open air and in stilling tubes that constrain the sound and improve performance. Easy installationuse, reliable accurate report and remote access system make everything easier..For more details telemetry tank level sensor

    ReplyDelete