Project tutorial

The Sound Machine (Hear Plant Mood) © CC BY

Based on Roald Dahl short story, this machine will let you "hear" plant mood according to soil moisture.

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Components and supplies

Apps and online services

About this project


Based on Roald Dahl's The Sound Machine short story, this Arduino machine will let you "hear" plant mood according to soil moisture.

Even when sounds of course do not come from the plants but from MP3 recordings, the experience results revealing and lets you be conscience about plants being alive and the suffering from water deprivation.

I've used an Arduino Nano, FC28 sensor, 7 segment display, a button, a 4ohm speaker, DFPlayer MP3 player, a microSD card and a custom case.

The code will check button status and when button is pressed it will read FC28 sensor, analog values will be mapped to 0-100 percentage scale, the percentage will be printed in the 7 segment display and a custom recording will be played according to the moisture percentage. For example: screams when moisture is less than 30%, giggles when moisture is greater than 75%, etc

Connections

Source Code

Complete source code can be downloaded from https://github.com/ronibandini/TheSoundMachine

3D-Printed Case

Files for 3D-printed can be downloaded from https://www.thingiverse.com/ronibandini/designs

Demo video


If you are interested in other projects of literature/technology follow me https://twitter.com/RoniBandini - https://www.instagram.com/ronibandini/

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