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groworld_sensors [2012-03-08 11:53]
nik created
groworld_sensors [2012-03-08 12:04] (current)
nik
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 ==== an indeterminate sense ==== ==== an indeterminate sense ====
  
-[[plant sensing]] experiments as part of [[project groworld]] and [[hpi]]+[[plant_sensing]] experiments as part of [[project_groworld]] and [[hpi]]
  
 === environment === === environment ===
   * soil/moisture/light/temperature   * soil/moisture/light/temperature
 +  * processing/arduino experiments (see: groworld.git)
 +  * variously explored at [[groworld_tiergarten]]
 +
 +from the README.txt
 +
 +Basic plant sensor kit which currently outputs;
 +  * soil humidity
 +  * light levels
 +  * human presence
 +
 +Hardware interface based loosly on recollection of Martin Howse's experiements with the Wheatstone Bridge ([[http://1010.co.uk/org/biologic.html|biosensing]]) and incorporates parts of a design published by Rob Faludi ([[http://www.faludi.com/2006/11/02/moisture-sensor-circuit/|moisture circuit]]) which was in turn based on a design by Forrest Mims, with nods to L. George Lawrence, Botanicalls and the long and tangled path from Jagdish Chandra Bose.
 +
  
-processing/arduino experiments (see: groworld.git) 
  
 <code java> <code java>
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-///////////// main loop. sends data to pachube and prints values to serial line+///////////// prints values to serial line
  
 char display[64]; char display[64];
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 === fields === === fields ===
  
-<a href="http://www.flickr.com/photos/foam/3819571687/" title="R0011606 by _foam, on Flickr"><img src="http://farm4.staticflickr.com/3538/3819571687_c99150a7ec.jpg" width="392" height="500" alt="R0011606"></a>+<html><a href="http://www.flickr.com/photos/foam/3819571687/" title="R0011606 by _foam, on Flickr"><img src="http://farm4.staticflickr.com/3538/3819571687_c99150a7ec.jpg" width="392" height="500" alt="R0011606"></a></html>
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