Simplest ultrasonic ANTISPY voice recording jammer based on ATTINY13 / ATTINY85/45/25 / ARDUINO with PAM8403 / TPA3116D2 module driving piezo ultrasonic transducers (and optionally AD8933 signal generator)
- Updated Dec 30, 2025
- C++
Simplest ultrasonic ANTISPY voice recording jammer based on ATTINY13 / ATTINY85/45/25 / ARDUINO with PAM8403 / TPA3116D2 module driving piezo ultrasonic transducers (and optionally AD8933 signal generator)
Library to control the AD9833 waveform generator
SignalGeneratorSD based on AD9833 Module
Signal generators ( AD9833, AD9834, AD9850, ADF4351) tools box.
Simple DDS Generator base on AD9833 with STM32 microcontroller.
This script is written in python 3.x for interfacing the AD9833 with microcontrollers with micropython (specifically the PyBoard) over SPI.
Precision Waveform Generator FeatherWing
Micropython module to use the AD9833 programable waveform generator
Arduino function generator based on the AD9833.
Simple low power waveform generator based in the AD9833 module, capable of producing sine, triangular, and square wave outputs.
ESP32 Signal Generator with AD9833 DDS Module: Hosts a webpage to set frequency and waveform (square, sine, triangle) using an ESP32 microcontroller. Ideal for generating precise waveforms in IoT and electronic projects.
A CircuitPython driver for the AD9833 Programmable Waveform Generator.
STM32 stuff