Connect a 17cm solar panel black lead with a DC male connector to the bottom of the water pump, and connect a 20 15 1.8cm monocrystalline silicon glass laminated 1800mAh solar panel. Connect a 17CM water level monitoring black lead with a DC male connector at the bottom of the water pump, equipped with a 3M water level monitoring wire, with one end connected to a DC female connector and the other end connected to a water level monitoring probe;.
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