10 pcs Soil Moisture Humidity Sensor Hygrometer Detection Module LM393 Chip DIY Electronic for Cars for Arduino

Material:Mixture Theory:Current Sensor is_customized:Yes Type:Humidity Sensor 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 (10 pieces/lot) Package Weight:0.12kg (0.26lb.) Package Size:10cm x 10cm x 2cm (3.94in x 3.94in x 0.79in)