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12V Relay module soil moisture soil moisture sensor robot switch on off A8

12V Relay module soil moisture soil moisture sensor robot switch on off A8

$ 18.95

Package Contains

1 Piece -  

Relay module soil moisture senser

 

Description of a baby

This is a simple water sensor can be used to detect the moisture of the soil, when the soil water deficit, the relay is switched off, and vice versa relay. 

Use this sensor produced an automatic watering device, so that the plants in your garden need not to manage.

2 adjustable sensitivity (blue digital potentiometer adjustment)

4 Operating voltage 12v

5 relay output, more convenient to control.

6 with fixed bolt hole for easy installation

7 board PCB size: 3cm * 1.6cm

8 power indicator (red) and relay and indicator (green)

9 comparator LM393 chip, stable

 

Two small plates Interface Description (2-wire)

VCC external 12v

2 GND external GND

Three use

 

1 soil moisture module is most sensitive to environmental humidity is generally used to detect the moisture content of the soil.

 

2 module in the soil moisture of less than the set threshold value, the status of the relays in a disconnected state, the output performance: normally open and public 

open, normally closed, and public conduction; exceeds the threshold value is set when the soil moisture relay state absorption and status, the performance of the 

output: normally open with the public on pass, normally closed and public disconnect according to this principle embedded in the own system. Relay wiring parameters: 

AC voltage 250V, AC current maximum 10A maximum 30V DC voltage, DC current up to 10A

 

 

Fourth shipping list

 

1 as shown in a set of soil moisture detection module finished board (including the detection plate and soil humidity probe)

 

2 20cm DuPont line 2 for easy wiring;

 

 

 

To extend the life of the probe tips: If the buyer needs to delay the life of the soil probe, the entire probe with a soldering iron plus solder, so that 

the surface of the probe through holes are filled with solder, the life of the probe will be greatly enhanced .



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