Development Board Soil Moisture Sensor LM393 Smart Electronics Humidity Sensor Module DIY Robot

Label:Yes GND GND External small PCB board size : 3.2cm(1.26in) * 1.4cm(0.55in) using LM393 comparator chip , stable Material: plastic VCC external 3.3V-5V with fixed bolt hole for easy installation DO small board digital output interfaces ( 0 and 1 ) AO small board analog output interface

This is a summary of the moisture sensor can be used to detect soil moisture , soil water when the module outputs a high level , whereas the output low. Using this sensor make an automatic watering system , so that your garden plants need people to manage . Digital outputs D0 small plates can be directly connected with the microcontroller through the microcontroller to detect high and low , thereby detecting soil moisture .

Package Included: 1 X Soli moisture sensors

Notice: 1. Please allow 2-3% error due to manual measurement. Please make sure you do not mind before you bid. 2. The colors may have different as the difference display,please understand.