Homemade Equipment

Make/Build your own:

• Soil moisture meter !NOTICE! Not fully tested!
  • Theory, Parts list, Voltage-to-Resistance curve, etc.
  • Curcuit diagram v. 12/6/96
  • Curcuit diagram v. 9/13/96
• Commercial vendors and on-line technical info
  • RMS soil moisture probe ~$99
  • RMS soil temperature sensor ~$8
  • SOWACSSoil Water Content Discussion Group
• Drying oven that really works!
  • gif format
• Sundial to find local solar noon!
  • pdf format o ps format