Description
Interface Description (4-wire):VCC: 3.3V-5VGND: GNDDO: digital output interface (0 and 1)AO: analog output interfaceIInstructions for Use:Soil moisture module is most sensitive to the ambient humidity is generally used to detect the moisture content of the soil digital output D0 can be connected directly with the microcontroller to detect high and low by the microcontroller to detect soil moisture digital outputs DO shop relay module can directly drive the buzzer module, which can form a soil moisture alarm equipmentog output AO and AD module connected through the AD converter, you can get more precise values of soil moisturekage includes:5x Soil Moisture Detector Module5x Jumper Cables