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High Tech Soil Humidity Analysis Instrument Blue Soil Moisture Meter Testing Module Humidity Sensor Robot Car for Arduino

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In stock
Price: US $1.22 Sale Price: US $0.98
45 days Money back
45 days Money back Returns accepted if product not as described, buyer pays return shipping; or keep the product & agree refund with seller.
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High Tech Soil Humidity Analysis Instrument Blue Soil Moisture Meter Testing Module Humidity Sensor Robot Car for Arduino

Features:
100% brand new and high quality
Operating voltage: 3.3V-5V.
Adjustable sensitivity (shown in blue digital potentiometer adjustment)
Dual output mode,analog output more accurate.
A fixed bolt hole for easy installation.
With power indicator (red) and digital switching output indicator (green).
Having LM393 comparator chip, stable.

Interface Description(4-wire):
VCC: 3.3V-5V.
GND: GND.
DO: digital output interface(0 and 1).
AO: analog output interface.

Instructions for Use:
Soil moisture module is most sensitive to the ambient humidity is generally used to detect the moisture content of the soil.
Module to reach the threshold value is set in the soil moisture, DO port output high, when the the soil humidity exceeds a set threshold value, the module D0 output low.
The digital output D0 can be connected directly with the microcontroller to detect high and low by the microcontroller to detect soil moisture.
The digital outputs DO shop relay module can directly drive the buzzer module, which can form a soil moisture alarm equipment.
Analog output AO and AD module connected through the AD converter, you can get more precise values of soil moisture.

Specifications:
Board Color: Blue
Board Size:3cm * 1.6cm

Package Includes:
1* Soil Moisture Meter Testing Module

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Shipping Company Shipping Cost Estimated Delivery Time
DHL 3 - 7 days
UPS Expedited 3 - 7 days
EMS 5 - 14 days
Post Air Mail Free Shipping 15 - 45 days
Return Policy If the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.

N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
Seller Service On-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).

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Price:  US $1.22 / piece
Sale Price:  US $0.98 / piece