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Ships on 2017-07-30
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Best-sellers
Technical Details
Description
TheGrove - Moisture Sensor can be used to detect the moisture of soil, to judge if there is
dampness around the sensor. It can be used to decide if the plants in a garden need watering. It
can be used in gardens to automate watering plants. It can be used very easily by just inserting
the sensor into the soil and reading the output using ADC.
NOTE: This sensor is not hardened against contamination or exposure of the control circuitry to
water and may be prone to electrolytic corrosion across the probes , please use it for
PROTOTYPING ONLY.
Features
Grove compatible interface
Easy to use
Specification
Operating voltage: 3.3~5V
Operating current: 35mA
Sensor Output Value in dry soil: 0~ 300
Sensor Output Value in humid soil: 300~700
Sensor Output Value in water: 700 ~ 950
PCB size: 2.0cm X 6.0cm
Documents
Please visit our wiki page for more info about this product. It will be appreciated if you can help
us improve the documents, add more demo code or tutorials. For technical support, please
post your questions to our forum.
For all Grove users (especially beginners), we provide you guidance PDF documents. Please
download and read through Preface - Getting StartedandIntroduction to Grove before your
using of the product.
Grove - Moisture Sensor
SKU 101020008
BACKORDER 50+ Available
1
Grove - Water Sensor
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USD
DIY an Automatic Plant Watering Device
A plant care device that can take care of your plant when you are
not home
Dimensions 60mm x 20mm x 6.35mm
Weight G.W 8g
Battery Exclude
Operating voltage 3.3~5V
Operating current 35mA
Sensor Output Value in dry soil 0~ 300
Sensor Output Value in humid soil 300~700
Sensor Output Value in water 700 ~ 950
PCB size 2.0cm X 6.0cm
Operating voltage 3.3~5V
Operating current 35mA
Sensor Output Value in dry soil 0~ 300
Sensor Output Value in humid soil 300~700
Part List
Grove - Moisture Sensor 1
Grove Cable 1
Documents
WIKI
202000089_PCBA-Grove Moisture sensor V1.3_schemic file
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0
Rania Hilati on Mar 23,2017
helloPlease I want to know if the output of this sensorgives directly the value of relative humidity or a
voltage that I have to convert it?
0
Enkidu Aruru on Oct 19,2016
What is the lifetime of the two electordes ?Thank you and keep up the good work !
Questions and Answers
Have a question about this? Ask people who own it.
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ae on Apr 14,2017 15:01 PM
Hello, just a value between 0~1023, which means nothing, but the larger the wetter. Thanks.
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Few months
0
Juan Luis on Oct 19,2016
What about durability? can it support six month under ground?
0
Markus Klingsiek on Oct 19,2016
When I use this sensor in water, is it possible to detect how much of the sensor electrodes is under water,
i.e. use this sensor as a water level indicator?
0
GriZmio on Oct 19,2016
If I power it up with 3.3 volts, Can it be used with a beaglebone black?I think I will need a voltaje divider,
but What about current?Sorry if it's to easy, Im a newbie to this.Thanks
0
Nishant Mandiye on Oct 19,2016
What's the max output voltage
0
Nishant Mandiye on Oct 19,2016
the connections say SIG, blank, Vcc and GND. I know Vcc and GND. but what are the SIG and blank
connections..which one is the analog output.
0
Nishant Mandiye on Oct 19,2016
What is the working principle? resistance, capacitance or something else
TheFwGuy on May 06,2017 03:46 AM Reply
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TheFwGuy on May 06,2017 03:49 AM
Probably yes, but there are too many variables to consider. I would say 4 to 8 months as maximum and maybe
you can prolong it life using it not often (1 reading every 10 or 30 minutes or even longer).The problem is the
design. Also consider that you use this sensor to monitor edible plants there is the risk of contamination, the
copper of the electrodes will end up in the soil and thus the plant.Would be nice if Groove would do a capacitive
moisture sensor instead.
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Nils Hesse on Oct 20,2016 10:40 AM
You'll have to select the 5cmx10cm option. Always select the option where both dimensions are greater than your
actual dimensions.The ordner number can be anywhere on your silkscreen, I always put it where I have room for it
and create a little
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Jacket Chen on Oct 20,2016 10:45 AM
Hi.The maximum voltage you can provide is 5v.
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Jacket Chen on Oct 20,2016 10:45 AM
Hi.SIG means signal.So it is the analog input pin.
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Jacket Chen on Oct 20,2016 10:45 AM
Hi,it is a resistive transducer.
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0
Ahmed Refaat on Oct 19,2016
How can I get the transfer function of this sensor?
0
Ismery Roman on Oct 19,2016
Can I use a PIC or microcontroller with A / D converter instead of the Grove - Base Shield to measure
humidity?
12
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Jacket Chen on Oct 20,2016 10:43 AM
Dear Ahmed,if you want to know how to use the transfer function,you can refer to the library file of Arduino.Such
as:int analogRead(uint8_t pin){uint8_t low, high;#if defined(__AVR_ATmega1280__) ||
defined(__AVR_ATmega2560__)if (pin
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Jacket Chen on Oct 20,2016 10:42 AM
Of course you can!But maybe it looks like more complicated.
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