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Your Plants Won?t Get Thirst Anymore

2018-01-14 22:34  
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If you a gardening lover, you must be annoy that it is hard to tell, whether the ground of the flowerpot is running out of water or not. However, with the help of this CMOS quad Schmitt, you can easily detect the flowerpot condition just in a second.

First, you need to have these components ready:

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