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This is ultrasonic speech jammer. It replays your audio taken from the microphone with slight delay which confuses the brain. Raspberry Pi Pico + TPA3116D2 audio amplifier + 25 kHz transducer set is used to record and replay voice samples.

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mcore1976/speech-jammer

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This is ultrasonic speech jammer. It replays your audio taken from the microphone with slight delay which confuses the brain. Raspberry Pi Pico + TPA3116D2 audio amplifier + 25 kHz transducer set is used to record and replay voice samples.

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