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Got stumped and ran out of time trying to figure out a project...figured I'd see if I could outsource it...
Using Sensiron SHT11 Humidity/Temp Sensor
16x2 LCD Screen (classic HD44780 or whatever it is)
Monitor humidity and temp with each having potentiometers to change set point
Turn on respective 120v relays to switch equipment
Output set points and current conditions on LCD
Would like output to display current Temp, Humidity, and vapor pressure deficit (http://en.wikipedia.org/wiki/Vapour_Pressure_Deficit#Computing_VPD_for_plants_in_a_greenhouse)
I would like to use a standard Arduino (so i can expand the project later) Planning on using the basic kit as this project demands very little.
Pretty simple project really...just out of practice, time, and software to make this project happen again...I've got the hardware...Shouldn't take too many hours and be that difficult...open to negotiate fair compensation too!
Additional Project Description:
11/16/2012 at 1:25 EST
Hoping to have this project completed for $30 with easy to read and commented code. I would like to be able to use this as a starting point for a bigger project. Must completely function as described however, as I'm going to use this while I develop my hobby project. Not for commercial sale.