5 pcs Soil Moisture Sensor Soil Humidity Sensor Hygrometer LM393 Module for DIY Electronics for Arduino

Supply Voltage:DC 3.3V ? 5V Condition:New Operating Temperature:normal Type:Voltage Regulator Dissipation Power:low Description 1 This is a simple moisture sensor can be used to test the moisture of soil, when the soil water shortage, module output a high level, and otherwise output a low level. Use this sensor to make one automatic watering device. 2 sensitivity adjustable (shown in blue digital potentiometer control) 4 working voltage of 3.3 V ? 5 V 5 module double output mode, digital output is simple, analog output more accurate. 6 has fixed bolt hole, convenient installation 7 small board PCB size: 3 cm * 1.6 cm 8 power indicator light (red) and digital switch output light (green) 9 use LM393 chip, work stable Unit Type:lot (5 pieces/lot) Package Weight:0.07kg (0.15lb.) Package Size:10cm x 10cm x 2cm (3.94in x 3.94in x 0.79in)