Introduction: Water Tank Alarm

About: hobbyist in DIY electronics
hi all of you it is my another project called water tank alarm that will sounds like birds when water tank is full and it will stops automatically when the pump is set off .it will reduce the over flow of water tanks in our homes.



components

transistor  BC 547      *2
                   BC  557      *1
resister      1 k              *2
                    10k             *2
                     56k            *1
capacitor    473  (.047)       *2
                     330/16v           *1
                     10/16v              *1

speaker       8ohms,5watt
10-15 inch of strong copper or iron wire
9 volt battery
copper winding wire (to make a audio transformer )
plastic box.

let's begin





Step 1: Circuit

this is the circuit

Step 2: Nodes

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