Soil Hygrometer Humidity Detection Module for Arduino

Module Output is high level when the soil moisture deficit,or output is low Can be used in module plant waterer device, and the plants in your garden no need people to manage Operating voltage: 3.3V~5V Dual output mode,analog output more accurate A fixed bolt hole for easy installation With power indicator (red) and digital switching output indicator (green) Having LM393 comparator chip, stable VCC: 3.3V-5V GND: GND DO: digital output interface(0 and 1) AO: analog output interface Net weight: 8 g / 0.28 oz Size: 105 x 40 x 7 mm / 4.13 x 1.57 x 0.28 inch