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3.3V-5V Soil Moisture Sensor, Hygrometer Detection Module

SKU: 473712 (Added 2017-08-04)
Sale Price: US$ 2.47
Price: US$ 2.36
Shipping: Free shipping
 
 

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A baby description
1 This is a simple moisture sensor that can be used to detect soil moisture when the soil is in water, the module outputs a high level, whereas the output is low. Use this sensor to make an automatic watering device, so that your garden plants do not have to manage.
2 Sensitivity adjustable (blue digital potentiometer adjustment)
4 Working voltage 3.3V-5V
5 Module dual output mode, digital output is simple, analog output more accurate.
6 With a fixed bolt hole, easy to install
7 Small PCB Size: 3cm * 1.6cm
8 Power indicator (red) and digital switch output indicator (green)
9 Comparator with LM393 chip, stable operation


Two-board interface description (4-wire)
1 VCC External 3.3V-5V
2 GND External GND
3 DO small board digital output interface (0 and 1)
4 AO small board analog output interface

Three instructions

1 soil moisture module is most sensitive to environmental humidity, generally used to detect soil moisture.

2 module in the soil moisture can not reach the set threshold, DO port output high level, when the soil humidity exceeds the set threshold, the module D0 output low;

3 small board digital output D0 can be directly connected with the microcontroller, through the microcontroller to detect high and low levels, which to detect soil moisture;

4 small board digital output DO can directly drive our relay module, buzzer module, etc., which can form a soil moisture alarm equipment;

5 small board analog output AO can be connected with the AD module, through the AD conversion, you can get more accurate soil moisture values;
 
General
ModelLM393
Quantity1 set
Form ColorLight Grey + Multicolored
MaterialPCB
Specification
ApplicationGarden, park
Working Voltage 3.3V-5VV
Download Link ON
Dimensions & Weight
Dimensions 2.48 in x 0.83 in x 0.2 in (6.3 cm x 2.1 cm x 0.5 cm)
Weight 0.46 oz (13 g)
Packing List
1 x Detection board
1 x Soil moisture probe
1 x DuPont line (20cm / color randomly)
 
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