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High frequency sound generator


Using the circuit can easily transfer the sound like a laser. Meaning if someone is in front of the speaker, then only he will hear the sound, otherwise he cannot hear the sound from elsewhere. To make this circuit we have used speakers of echo sound and 7805 voltage regulator circuit l293d amplifier circuit and 555 timer ic. For more information, watch the video.


Circuit:

Schematic_high_friqunce_2020-08-18_17-35
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Download • 35KB

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