Author Topic: sound receiver...............  (Read 1567 times)

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Offline udayhere2002Topic starter

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sound receiver...............
« on: November 03, 2007, 03:41:22 AM »
i want to make a robot that would detect a sound source of 1000hz among many frequencies and go near it...
actually i was facing problem...wat device or circuit should i use to receive the sound source....so that i can connect dis signal to a filter and carry on....actually im thinking of a microphone but hw would i connect dis to my circuit....can any 1 help me........
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Offline Admin

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Re: sound receiver...............
« Reply #1 on: November 07, 2007, 07:22:30 PM »
What you want is something called an audio bandpass filter.

Offline sdk32285

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Re: sound receiver...............
« Reply #2 on: November 07, 2007, 09:23:20 PM »
Hi
You can feed your microphone into a tone decoder circuit. Essentially this circuit is the bandpass that the admin spoke about plus it can trigger an output line when that frequency is detected.
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