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DFRobot Gravity: Analog Soil Moisture Sensor For Arduino DFRobot

$ 6,00

SKU: mode_9992412615 Category: Soil Moisture Sensor Tags: Farm Sensors, Soil Sensor

Description
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DFRobot Gravity: Analog Soil Moisture Sensor For Arduino

A soil moisture sensor can read the amount of moisture present in the soil surrounding it. It’s an ideal for monitoring an urban garden, or your pet plant’s water level. This is a must have a component for an IOT garden / Agriculture!

The new soil moisture sensor uses Immersion Gold which protects the nickel from oxidation. Electroless nickel immersion gold (ENIG) has several advantages over more conventional (and cheaper) surface platings such as HASL (solder), including excellent surface planarity (particularly helpful for PCB’s with large BGA packages), good oxidation resistance, and usability for untreated contact surfaces such as membrane switches and contact points.

This sensor uses the two probes to pass current through the soil, and then it reads that resistance to get the moisture level. More water makes the soil conduct electricity more easily (less resistance), while dry soil conducts electricity poorly (more resistance). This sensor will be helpful to remind you to water your indoor plants or to monitor the soil moisture in your garden.

To ease the difficult of using this sensor, a Gravity Interface is adapted to allow plug&play. The Arduino IO expansion shield is the best match for this sound senor connecting to your Arduino. As this sensor can work at 3.3V which make it compatible with Raspberry Pi, intel edition, joule and curie.

Note: If you are going to place the sensor to a very humid soil, that would make it very easy to get the sensor surface erosion within several days, hence we suggest to use this one Analogue Capacitive Soil Moisture Sensor- Corrosion Resistant instead.

SPECIFICATION

Power supply: 3.3v or 5v
Output voltage signal: 0~4.2v
Current: 35mA
Pin definition:
- Analogue output(Blue wire)
- GND(Black wire)
- Power(Red wire)
Size: 60x20x5mm(2.36×0.79×0.2″)
Surface finish: Immersion Gold

DOCUMENTS

Wiki
Moisture sensor schematic
Moisture sensor Sample code

SHIPPING LIST

Moisture sensor x1
Analog Sensor Cable x1

PROJECTS

Brian Kelley watering project

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We will inspect each and every one of the items ordered before shipping. Today, most orders will be shipped within 48 hours. The delivery time should be between 3-7 days.

Returns

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The policy is for 30 days. If you have passed 30 days in the past since you purchased, unfortunately we can't offer you a refund or exchange.

To be eligible for a refund, your item must be in good condition and in the same state that you received it. The item must be in the original packaging.