Measuring the Speed of Sound in Gases as a Means of Identifying Them

The purpose of this project is to build a portable device, 3D printed, using an Arduino microprocessor and a mobile app, that can measure the speed of sound in gases and use this data to identify them.

Feb 19, 2023

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Components and supplies

1

2k ohm resistor

2

Binder clip

1

Breadbord

1

USB cable (Micro B)

1

1K ohm resistor

1

Dust removal gas

1

Flexible hose

1

Ultrasonic Sensor - HC-SR04 (Generic)

1

4,7 kOhm Resistor

1

Arduino Nano V3.0 CH340 with mini usb cable

1

Steren - White PLA filament (1.75 mm) 1 kg

1

DS18B20 1-Wire Digital Temperature Sensor

1

Portable USB battery pack

1

HC-06 Bluetooth module

1

Breadboard Jumper Wire Pack (200mm&100mm)

Tools and machines

1

Ender 3 Pro

Apps and platforms

1

Autodesk 123D Design

1

Autodesk Meshmixer

1

Cura Slicer

1

MIT App Inventor 2

1

Arduino IDE 1.8.19

Project description

Code

SoundSpeed_3D_2022

cpp

Measuring the speed of sound of gases

Downloadable files

SoundSpeed_3D_2022

Arduino Code

SoundSpeed_3D_2022.ino

Reflective tube_60 mm

STL file for 3D printing

Reflective tube_60mm.stl

Box lid

STL file for 3D printing

Box lid.stl

Sensor and nozzles

STL file for 3D printing

Sensor and nozzles.stl

Reflective tube_25 mm

STL file for 3D printing

Reflective tube_25mm.stl

Body of the box

STL file for 3D printing

Body of the box.stl

Documentation

SoundSpeed_3D_2023

Fritzing circuit diagram

https://www.dropbox.com/s/ls8giivo4qxe391/SoundSpeed_3D_2023.fzz?dl=0

SoundSpeed_2023_2

MIT App Inventor 2 Apk file

https://www.dropbox.com/s/w2gwhu61u1a7w8t/SoundSpeed_2023_2.apk?dl=0

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Table of contents

Intro

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