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7400 competition entry: Water level indicator

Posted on Monday, September 19th, 2011 in 7400 contest by SQKYbeaver
water level-W600

Arup made his first entry in the Open 7400 compettition.

This is a simple water level indicator circuit which can be used to indicate water at 3 stages EMPTY, LOW and FULL by three respsctive LEDs. The heart of this circuit is a 4011 NAND IC.

Via CircuitsDIY

This entry was posted on Monday, September 19th, 2011 at 5:02 pm and is filed under 7400 contest. You can follow any responses to this entry through the RSS 2.0 feed. You can skip to the end and leave a response. Pinging is currently not allowed.

5 Responses to “7400 competition entry: Water level indicator”

  1. sohail ahmed says:

    how much cost of water level indicator /alarm ?

  2. sohail ahmed says:

    how much price of water level indicator/alarm

  3. ceilajohny says:

    Thanks for nice information!

    Automatic Water Level Controller
    http://goo.gl/qhqui
    Skayvon Electronics Pvt. Ltd. is a leading trader and service-provider engaged in offering customers with wide range of Home and Office Automation Products. Skayvon electronics Pvt. Ltd.
    Automatic Water Level Controller

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