Darian JohnsonMike Bradford
Published © GPL3+

Smart Compost System

A smart system that can help anyone compost. The system aerates and hydrates your compost, and lets you know when you need to take action.

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Smart Compost System

Things used in this project

Hardware components

Arduino 101 & Genuino 101
Arduino 101 & Genuino 101
Use in the Compost Satellite System and the Kitchen Compost Bin
×2
Intel Edison
Intel Edison
Used to analyze the results, provide recommendations, and host the dashboard
×1
Humidity and Temperature Sensor
Adafruit Humidity and Temperature Sensor
Used to measure ambient temperature
×1
Adafruit Waterproof DS18B20 Digital Temperature Sensor
Used to measure compost temperature [Note - will be replaced with a combo soil/moisture sensor]
×1
Phantom YoYo Arduino compatible Mini MQ4 Gas Sensor
×1
High Sensitivity Moisture Sensor
Used to measure compost moisture [Note - will be replaced with a combo soil/moisture sensor]
×1
Servo (generic)
Used to open/close air vent
×1
Water Pump (6-12V)
×1
Water Level Float Sensor
Used to measure water level
×1
1N4007 – High Voltage, High Current Rated Diode
1N4007 – High Voltage, High Current Rated Diode
To control water pump
×1
Resistor 10k ohm
Resistor 10k ohm
Used with the temperature probe
×1
Darlington High Power Transistor
Darlington High Power Transistor
to control water pump
×1
Resistor 4.75k ohm
Resistor 4.75k ohm
to control the water pump
×1
Ultrasonic Digital Distance Sensor
Used to calculate amount in kitchen compost bin
×1
PVC
PVC Pipe for the air vent and gas sensor
×1
Water Hose
Hose to flow water to compost
×1
Project Box
Assorted project boxes to hold the components
×3
Cable Ties (10 Pack)
OpenBuilds Cable Ties (10 Pack)
Assorted cables
×1
Ties and tees for water hose
×1
Reed Switch
Used to determine if Kitchen Compost Bin is open or closed (in conjunction with magnets)
×1
Rare Earth Magnets
Used to determine if Kitchen Compost Bin is open or closed (in conjunction with reed switch)
×1
Kitchen Compost Bin
×1
Shrink tubing
×1
3/8 in pipe for water
×1

Software apps and online services

SQLite
database for saving results
Lightttpd
webserver

Hand tools and fabrication machines

Drill
Hot glue gun (generic)
Hot glue gun (generic)
Heat Gun

Story

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Schematics

Smart Compost System - Satellite Schematic

The wiring for the main system
Smart compost v2bb 0m89h5t78z

Code

Smart Compost System

Git repo of code for the smart compost system

Credits

Darian Johnson

Darian Johnson

5 projects • 81 followers
Technologist. Music lover. Fitness enthusiast. Movie buff. Fan of sci-fi and comic books.
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Mike Bradford

Mike Bradford

0 projects • 3 followers
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