Differences

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--- plant_sensing [2009-05-13 16:07] – 81.188.78.24
+++ plant_sensing [2009-05-14 11:21] – 62.24.78.114
@@ Line 11: / Line 11: @@
   * [[http://www.botanicalls.com/|plants on the phone]] botanicalls
   * a pot plant that blogs from a japanese cafe > http://www.pinktentacle.com/2008/10/midori-san-the-blogging-houseplant/
-  * Fertometer: http://www.fertometer.com/
+  * Fertometer: http://www.fertometer.com/ (also has a quite detailed description of how it works: it's basically an electrical conductivity meter http://www.fertometer.com/specs.html. here is a page about making a DIY electical conductivity meter http://www.octiva.net/projects/ppm/)
 ==== measures ====