Technical data Power supply: 3.3 / 5 V DC
Current consumption less than 20 mA
Output signal 0 ~ 1.7 / 0 ~ 3 V (3.3 / 5 VDC)
Connections
- 1 Power supply
- 2 Ground
- 3 Analog sensor output
Arduino soil moisture sensor
The soil moisture sensor with its two long probes offers an optimum result and is ideally suited for e.g. an automatic irrigation system. The two large exposed pads act as probes for the sensor and serve as a variable resistor. The more water there is in the soil, the better the conductivity between the pads, this leads to a lower resistance and a higher voltage at the output.
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Description
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Processor
Display
RAM
Storage
Video Card
Connectivity
Features
Battery
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