Soil Sensor Network using RS485 protocol

• Sensor for measure soil temperature and humidity
• Basic Arduino compatible board
• Sensor Unit 1
• Modular RS485 Board
• Modular RS232 to USB Board

• RS485 Bus protocol definition and Slave Unit working example
• Arduino base program code and libraries

RS485 - UTP cable wiring

Orange - +5V
White Orange - GND (from +5V)
Green - +5V
White Green - GND (from +5V)
Blue - RS485 A
White Blue - GND (from RS485 A-B)
Brown - RS485 B
White Brown - GND (from RS485 A-B)