ICQUANZX Soil Moisture Sensor Module, 5pcs YL-69 Water Detection Sensor, Automatic Digital & Analog Dual Output, Normally Open, for Garden Monitoring & Indoor Plant Watering

• This is a simple water sensor that can detect soil moisture.
• Can be used in module plant water device, and the plants in your garden do not need to manage people.
• This is a must have for a networked garden! It is helpful to remind you to water your indoor plants or monitor soil moisture in your garden.
• Operating voltage: 3.3V-5V
• Module dual output mode, digital output, analog output more accurate.

Interface description (4-wire): VCC: 3.3V-5V GND: GND DO: digital output interface (0 and 1) AO: analogue output interface. Instructions for use: Soil moisture module is most sensitive to the ambient moisture is usually used to detect the moisture content of the soil. The digital output D0 can be directly connected to the microcontroller to detect high and low through the microcontroller to detect soil moisture. The digital outputs DO shop relay module can directly control the buzzer module, which can form a soil moisture alarm equipment. Analog output AO and AD module connected by the AD converter, you can get more accurate values of soil moisture. Package includes: 5 x soil moisture detector module. 5 x jumper cables