Inspiration

We are building circular system for food and energy production: Food → Food waste → Biogas → Fertilizer tea → Aeroponics → Fresh greens → Food

Benefits:

  • Closed nutrient production cycle
  • All-year production i Northern Europe climate
  • Low carbon emissions, fossil-free
  • Good for sensitive coastal areas, protecting the Baltic sea
  • Empowering local level initiatives, decentralization, no big companies involved

The system requires monitoring to get the processes right. During the Hack i implemented the prototype with real sensors that we will use.

What it does

  1. Probes measure temperature
  2. io module with modbus/TCP protocol collects the data from probes
  3. node.js app running on raspberry pi harvests data from modbus and pushes it to the cloud
  4. Mongo DB instance running in Mongolab stores the data
  5. The public client web app connects to Mongolab via rest api and displays the results in UI

What I learned

node, mongo, raspberry pi, modbus tcp

What's next

Connect more sensors: humidity, CO2 make automation loops Get EU funding

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