tpa3116d2

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mcore1976 / antispy-jammer

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

Updated Aug 11, 2026
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mcore1976 / rp2040-parametric-directional-speaker

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This is the cheapest and the simplest in the world Parametric Directional Speaker based on RP2040 board, TPA3116D2 amplifier and set of 10+ ultrasonic transducers

raspberry pico rp2040 raspberry-pico rp2040-zero tpa3116d2 parametric-directional-speaker ultrasonic-speaker directional-speaker xh-m543 ultrasound-speaker parametric-speaker ultrasonic-microphone parametric-microphone

Updated Aug 25, 2025
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RaviKachhwaha / AuraForge-50X

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A 4-layer programmable PCB board audio platform featuring an ESP32 DSP core, 50Hz Wi-Fi CSI radar, 2x50W TPA3116D2 Class-D amp, hybrid dual-rail power (10A TPS61088 3.7V-to-12V boost & 12–21V DC jack), 3A USB-C fast charging, BMS protection & Cyberpunk Web HUD. This is more than an amp, a complete wireless sound computer.

hardware dsp esp32 open-hardware kicad power-management hack-club boost-converter audio-amplifier pcb-design class-d bluetooth-audio tpa3116d2 wifi-audio kicad-10 tps61088 programmable-audio

Updated Sep 15, 2026
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