ultrasonic

Serverless, peer-to-peer, local file sharing through sound

Transmit data with sound using Web Audio -- Javascript binding for libquiet

Transmit data with sound. Includes binaries for soundcards and .wav files.

Quiet for Android - TCP over sound

Transmit data using ultrasonic audio. Perfect for offline/network-free data transfer, automatic content recognition (ACR), and broadcast.

iOS framework for the Quiet Modem (data over sound)

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)

🤫 Quiet for React Native.

Minimalist library for Ultrasonic Module HC-SR04, PING))) and Seeed SEN136B5B to Arduino

Arduino lib for HCSR04 ultrasonic sensor

This project provides ROS drivers for Bosch Off-Highway sensor systems. (Radar Off-Highway Premium, Radar OHW, General Purpose Radar Off-Highway (GPR), Ultrasonic Sensor System OHW Entry & Premium)

Allows your device to communicate in an electronic sound language. Follow us on twitter: https://twitter.com/qrtone. Demo App in https://universite-gustave-eiffel.github.io/qrtone/

A 360° ultrasonic scanner

This library provides a code to measure the distance to obstacles in front and prints the distance value to the serial terminal or LCD.

CS100 full function driver library for general MCU and Linux.

C Libraries to encode and decode data over sound

HCSR04 full-featured driver library for general MCU and Linux.

开源多超声波读取模块，支持12通道的超声波模块，并利用通过ROS Topic 对数据进行发布

NewPing port for ESP8266 for the Arduino IDE

Arduino library for the Texas Instruments TDC7200 Time-to-Digital Converter for Time-of-Flight Applications in LIDAR, Magnetostrictive and Flow Meters