Circuit – DIY Water Level Indicator

http://zedomax.com/image/200609/waterlevel.gif

I found some cool looking circuits at this website here’s one of them that
detect levels of water by shorting…kinda nifty~

This circuit not only indicates the amount of water present in the overhead tank but also gives an alarm when the tank is full. The circuit uses the widely available CD4066, bilateral switch CMOS IC to indicate the water level through LEDs. When the water is empty the wires in the tank are open circuited and the 180K resistors pulls the switch low hence opening the switch and LEDs are OFF. As the water starts filling up, first the wire in the tank connected to S1 and the + supply are shorted by water.

via electronic-circuits-diagrams.com

2 Responses to Circuit – DIY Water Level Indicator

  1. ALEJANDRO says:

    HOLA A TODOS, ESTA MUY INTERESANTE ESTE DIAGRAMA Y CREO MUY SENCILLO PARA HACER, SOLO TENGO UNA PREGUNTRA LOS SENSORES, PUEDEN SER CUALQUIER CABLE ELECTRICO O ALGUN TIPO DE SENSORES ESPECIALES Y EL PIEZOELECTRIC QUE FUNCION TIENEN EN ESTE CIRCUITO. ESPERO ME PUEDAN APORTAR REFERENTE A MIS DUDAS.

    GRACIAS.

  2. Ursus says:

    yo use unas barillas de aluminio esmaltado, y las raspe cada tanto, peor con un cable ya funciona. el piezoelectrico si te fijas en el circuito se activara al llegar el agua a ese nivel.

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