mcore1976 / antispy-jammer Star 436 Code Issues Pull requests Simplest ultrasonic ANTISPY voice recording jammer based on ARDUINO module with PWM (optionally AD8933 signal generator) with output MOSFET stage (or H-bridge+MOSFETs) driving piezo ultrasonic transducers + coils arduino ultrasonic attiny85 ultrasound digispark jammer 25khz ad9833 attiny13 pam8403 ir2104 rp2040 microphone-jammer voice-assistant-jammer ad8933 pam8610 tpa3116d2 voice-suppressor ir2103 tc4420 Updated Jul 18, 2026 C++