Difference between revisions of "Project:Vivarium Monitoring System"
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Revision as of 23:26, 7 March 2012
I needed a system to monitor the temperature and humidity of a vivarium (a tortoise house!).
Requirements: 1. Have a screen that I can easily see 2. Display both temp and humidity 3. Beep and flash when things are awry 4. Have a way to temporarily disable the alarm whilst working on the vivarium 5. 3 Sensors (room, in heat, out of heat) 6. The less cables the better 7. Be configurable without needing to connect to a computer 8. and most of all PUT IT ON THE INTERWEBNETS! (for the world to see, for me to control, and to receive warnings)
After looking through my box of parts I decided to use the following. !. Nanode - for base sensor monitoring and internet mojo, 2. Using three DHT-11 temperature and humidity sensors, simple and accurate enough, 3. A blinkm as a warning light system, 4. A peizo to beep, 5. A PoE injecter and ejackulator to get power over an ethernet cable, 6. Using 3.5mm headphone cables and sockets for the sensor cabling, 7. A lamp backend for long term logging, 7. A liquidware touchshield slide for the 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:
http://youtu.be/c2BtPnkEPjQ