Potted Plants Water Test Instrument Show

2016-01-29 05:24  
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This article is a potted plant water tester works show. The principle is simple but effective. For you to more effectively grasp this principle, we recommend that you read the text combines schematic. This simple device checks if they are water potted plants. You put the two probes (clips) to potted plants, if the  LED  lights, it means that there is water in potted plants. You need to adjust the 47 k potentiometer settings which level leadership to continue. If you are reading this first principle, the proposed Duokanjibian, grasp this principle.


Pot  plant water tester

Pot plant water tester

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