Project:Vivarium Monitoring System

Vivarium Monitoring System - Asc

I needed a system to monitor the temperature and humidity of a vivarium (a tortoise house!).

Requirements

• Have a screen that I can easily see
• Display both temp and humidity
• Beep and flash when things are awry
• Have a way to temporarily disable the alarm whilst working on the vivarium
• 3 Sensors (room, in heat, out of heat)
• The less cables the better
• Be configurable without needing to connect to a computer
• and most of all PUT IT ON THE INTERWEBNETS! (for the world to see, for me to control, and to receive warnings)

Equipment

After looking through my box of parts I decided to use the following.

• Nanode - for base sensor monitoring and internet mojo,
• Using three DHT-11 temperature and humidity sensors, simple and accurate enough,
• A blinkm as a warning light system,
• A peizo to beep,
• A PoE injecter and ejackulator to get power over an ethernet cable,
• Using 3.5mm headphone cables and sockets for the sensor cabling,
• A LAMP backend for long term logging,
• A screen and user interface.

What does this all mean - 3 arduinos = more roarsome = way overkill project!

All that is left is the case which I can magic up on a laser cutter.

Proof of Concept

To see how it all goes I threw a proof of concept setup together without all the internet magic and simply using a vanilla arduino:
YouTube Video

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