XH-M214 Automatic Irrigation Control with Hygrometer Sensor The XH-M214 automatic irrigation control device has easy configurations for the user to

Specification 1.Response time: Maximum 220 milliseconds 2. 8 board-level status indicator 3. working voltage: 2.4V-5.5V 4. Current: 1.5uA – Maximum:

Specification Output Power: 5mw Wavelength: 650nm Outer diameter: 6mm Working Voltage: 3~5V Laser Shape: Cross Dimensions: 12 x 12 x

MAX485 Arduino Schematic . Send or Receive from MAX485