plantechta

An automatic irrigation system

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Inspiration

Building something with an arduino and using IoT.

What it does

Read data about sunlight, humidity, soil moisture and temperature from a garden and present the data in an app. It also allows to control the watering manually.

How we built it

  • We connected the required sensors to the arduino and a pot.
  • We developed the backend using RoR and deployed it to Azure.
  • We developed the app using React Native.
  • We programmed the arduino to read the sensors when instructed by a raspberry pi and send the data back using serial.
  • We used python to send the data using MQTT to our backend.
  • The data is presented to the app via an HTTP request.

Challenges we ran into

  • Our Arduino was not compatible with azure IOT Hub because it wasn't capable of using TLS. So we used a RPI as a relay.
  • We never used azure befored and had firewall issues.

Accomplishments that we're proud of

  • We learn to use MQTT.
  • We had a lot of fun :D

What we learned

  • MQTT
  • Azure deployment

What's next for plantechta

  • Finish the missing details.
  • Remove the RPI from the system.
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