A combined temperature and humidity probe that has a very small footprint, is protected from excess moisture, and has a long (10ft+) cable from the probe itself to the controller
- Controller displayed readings of temperature and humidity based on probe number
- Computer displayed readings of temperature and humidity based on probe number as well as the ability to log the data and make calculations from it (e.x. 24 hour high and low temp/RH, daily averages, weekly averages, etc)
- The ability to turn on and off a device (e.x. a fan) based on probe readings
The only comparable system out there is the HerpKeeper (from digitalaquatics )which is way overcomplicated and expensive in my opinion.
and have spent thousands and thousands of dollars on their frogs.
One Arduino can sample 4 sensors - once per 10 seconds or so - ; add an ethernet to post all the sensor data to a PHP page on a PC which stores it in a MySQL database or a logfile per sensor per day or so.. You can use this data to make nice graphs
My questions were more for getting you to think about the requirements, than to criticize anything. Writing a good requirements document is critical to successfully developing a project.
As Rob's price list and wiring comments shows.....really doesn't need to be an Arduino at each tank.
So... one Arduino UNO can monitor 4 of the SHT15's and transmit the data wirelessly (thanks PaulS) via an XBee (of some sort) to a computer?
Will the computer end of the transmission require another Arduino UNO, power supply (not through USB?), and XBee device(s)?
Is there a way for a solid state relay to operate something with higher voltage
All I need are an SHT15, XBee, power supply, and sensor wiring/casing at the tank, and with appropriate receiving equiptment (?? another XBee?) at the computer?
Anyone want to make one for me?
o... one Arduino UNO can monitor 4 of the SHT15's
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