Soil Moisture Sensor Module Automatic Watering System for Arduino
1,54 €
Has a fixed bolt holes for easy installation 6. PCB Size : 3.2cm 1.4m Wiring instructions: ( 4 -wire ) 1. VCC external 3.3V-5V 2. GND GND External 3. DO small board digital output interfaces ( 0 and 1 ) 4.
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