Soil Humidity Hygrometer Moisture Detector Sensor + Corrosion Resistance Probe

Description

Product Overview
Soil Humidity Hygrometer Moisture Detector Sensor + Corrosion Resistance Probe
Product Introduction:
NO.
Parameter
Value
1
Name
Soil humidity sensor
2
Size
36*15*7mm
3
Voltage
DC 3.3-12V
4
Current
<20mA; <30mA (output)
5
Interface
+ - DO AO; DO digital value; AO analog value
6
Operating Temperature
-25~85 Celsius
Application:
It is use for detecting soil humidity.
Principle:
The soil humidity probe is for detecting humidity, and the voltage comparator is for judging humidity amount; when the humidity is larger than set value , DO will output low level.
Using Introduction:
1."+" connects power positive; "-" connects power negative. Please do not connect reversely, or it will burn the chip. After connection, "P" power indicator lamp will be on and the module will operate normally
2.Clockwise/counter clockwise adjust the blue potentiometer, it can improve/reduce the detection sensitivity. Take "Thermal Sensor" as example, if defaults 25 Celsius trigger, DO output low level is valid; After clockwise adjusting, that is when the temperature is lower than 25 Celsius, it can trigger; if counter clockwise adjusting, then higher than 25 Celsius can trigger
3.When clockwise adjusts the potentiometer to "S" output indicator is on, it represents the adjusting range has surpassed the testing threshold; if counter clockwise adjusting to its max extend, it surpasses the threshold. When adjusting, please do no let them over the threshold, or it cannot be used normally.Potentiometer adjustment is only used for DO port, it has no relevance to AO output
4.AO output is analog value (voltage), and it can detect via MCU AD port
W
hen the detected value is more than the set value, DO will output low level, the triode will be connected and the load will operate. 1K is current-limiting resistor, and 10K is pull-up resistor on DO port
N
o more complex circuits, AO port can collect voltage via MCU AD port
Package Included:
1 x  Soil Humidity Hygrometer Moisture Detection Sensor Module with Wire for Arduino
Shipping Policy
Item Location
Payment Mathord
Returns Policy
About Feedback
Shipping Policy
1. We Ship to Worldwide
2. We ship your orders within 1-2 business days after the payment cleared.
3. Item shipped from China via china Post Airmail, reach most of the countries within 2 to 4 weeks.
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Item Location
ShenZhen
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