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Simplest ultrasonic ANTISPY voice recording jammer based on ATTINY/ARDUINO module (PWM or optionally AD8933 signal generator) with audio amplifier or H-bridge+MOSFETs driving piezo ultrasonic transducers + coils
C++386 stars69 forks
25khzad8933ad9833arduinoattiny13attiny85avr-gccdigisparkdiyir2104jammermicrophone-jammerpam8403pam8610rp2040tpa3116d2ultrasonicultrasoundvoice-assistant-jammervoice-suppressor
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