Description:
5. Has a fixed bolt holes for easy installation 6. PCB Size : 3.2cm * 1.4m Wiring instructions: ( 4 -wire ) 1. VCC external 3.3V-5V 2. GND GND External 3. DO small board digital output interfaces ( 0 and 1 ) 4. AO analog output voltage of small plates
Module for use: 1 sensor for detecting moisture in the soil ; 2 module is the blue potentiometer to adjust the threshold for soil moisture , clockwise adjustment, control humidity will be bigger, smaller counter-clockwise ; 3 digital outputs D0 can be directly connected with the microcontroller through the microcontroller to detect high and low , thereby detecting soil moisture ; 4 small plates AO analog output modules can be connected and AD through the AD converter , you can get a more accurate value of soil moisture ;
Packing list: 1*Soil sensor module and a set 1* DuPont line Am 13.09.17 hat der Verkäufer die folgenden Angaben hinzugefügt: |