Sunday, September 27, 2009
Water activated musical bell
This circuit gives a sound when water or conducting liquid touches with the sensors which are provided (A,B).by using this circuit you can get lots of advantages as an example you can attach this one for your water tank and when it over flows you can know it before be creative then you can make lots of things with this.
Notes.
* Two insulated aluminum wires can be used as the sensor.
* The IC1 must be mounted on an IC holder.
* The speaker can be a 8 Ohm, ½ W tweeter.
* Assemble the circuit on a good quality PCB or common board.
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