Hacked Gadgets Forum

June 21, 2006

Plants Watering Watcher-2

at 5:48 am. Filed under DIY Hacks, Electronic Hacks

This is a simple circuit that can easily be perfboarded. With just a handful of components you can monitor the water content of your plants soil. The picture is of the new version, have a look at the old version also.

“Circuit Operation:
1) When the soil is very dry, the LED flashes brightly, since the soils resistance is very high.
2) When the soil has been watered a few days before, but is drying, the LED flashes dimly,
3) When the soil is damp because it has been recently watered, the LED is off.
Note that different soils have a different resistance. Also, sometimes, watered soil will continue to have a high resistance until the soil absorbs the water, a delay of about one hour.”


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3 Responses to “Plants Watering Watcher-2”

  1. E. O. Victor Says:

    Please i would like to get a comprehensive literature and biography on this design
    (Plant watering watcher)

  2. Alan Parekh Says:

    Hi Victor,

    Please click on the link in the article for more details.

  3. DIY Electronic Watering System - Hacked Gadgets - DIY Tech Blog Says:

    […] the plant needs a shot of water every now and then but I still forget, there has been some helpful electronic plant monitoring systems made, even systems that let your plants tweet to you. But this DIY Electronic Watering System from […]

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