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Design files and source code for the tRacket noise sensor
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This repository contains all source code and hardware design files for the tRacket noise sensor.
Environmental noise, especially in urban settings, is a known public health concern:
The growing body of evidence indicates that exposure to excessive environmental noise does not only impact quality of life and cause hearing loss but also has other health impacts, such as cardiovascular effects, cognitive impacts, sleep disturbance and mental health effects.
The tRacket noise sensor continuous monitors ambient sound levels (in decibels, dBA) and sends these measurements to an online dashboard (also on GitHub). Our goal is to help local communities better understand the sound levels and extreme noise events that they experience day to day.
The project has been started and is maintained by volunteers from the CivicTech Toronto community.
We followed Privacy by Design principles in setting up the data collection.
The noisemeter-device folder contains the device's source code, which is written in C++ and can be built using PlatformIO. Build instructions are available in the online documentation.
The source code is released under the GNU GPL v3 license.
The hardware folder contains design files and documentation for each iteration of the sensor hardware. The PCBs are designed using KiCAD.
The hardware design files are released under an open hardware license.