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Multiple Frequency Bell

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NishantSood

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I want to develop a Multiple frequency doorbell.I want to make it to solve the problem for multiple receiver's in single house each for one floor. what can be the circuit for it and the modification to the same so that one transmitter rings one bell and the second transmitter rings the second receiver bell only not first one.
 

vfone

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BradtheRad

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Just in case this helps...

There are wireless doorbells. The pushbutton (transmitter) is powered by a battery. You stick it on the doorframe.

The chime (receiver) is plugged into house current.

They operate as a pair. Each pair has a unique code (supposedly). Transmitting distance is up to 50 feet or so.

Even if you prefer to make your own, the storebought model might be useful for comparison.
 

NishantSood

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@ Brad the rad , that would be a fine idea can you provide some starting info about it.
@kp have you tried it before?.
 

BradtheRad

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