As for some plants lovers, they are keen on spending time in caring for their plants. Yet if they are busy in your work or entertainments, plants may wither by virtue of lacking water. To avoid this, we launched an automatic watering device with four humidity sensors and a water pump. It can water four plants pots. An equipped display screen can show the humidity value of soil.
Working voltage: 5V
External power supply: DC 6-15V (recommended 9V)
DC output capability per I/O: 10 mA
3.3V port output: 150 mA max
Size: 685111mm3
Weight: 22.5g
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