Inspiration

We represent Los Angeles Pierce College, an institution that has a deep history with farming and agriculture. Our project draws from this history and promotes the sustainable practice of composting.

What it does

Compost-Mate allows users to turn any type of bin into a smart composting bin. Using multiple sensor probes to track the moisture and temperature of different levels in the compost, allows users to gain real-time insight into the natural processes that foster the creation of compost. Users can access this information through a built-in LCD or online through a website.

How we built it

With the power of WiFi-Enabled Arduino Uno, through multiple Adafruit MCP9808 temperature sensors and LM393 Soil Moisture sensors, our product sends real-time data to Google Firebase. 3D-printed brackets for each module were designed in Fusion 360, sliced on cura, and printed on an SV01 Pro.

Challenges we ran into

Getting the Wifi Arduino connected to a network was difficult, and finding a way to secure the sensors onto the product but also have these electrical components exposed to moist soil without sacrificing their functionality was difficult.

Accomplishments that we're proud of

  • Improving and condensing our circuit onto one breadboard.
  • Having our project communicate with a website.
  • Representing our community college.

What we learned

We refined our Arduino Skills by learning about I2C and wireless communication. We learned about Google Firebase and Svelte. We learned that composting is a much more intricate process.

What's next for Compost-Mate

Making Compost-Mate more compatible with being outside such as improving sensor housing durability and using solar would be the next steps.

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