$24.00 MSRP inc.GST


This RS485 shield, especially designed for the Arduino controller board can easily convert UART/Serial protocol to RS485 protocol. This board allows Arduino access to industry standard protocol easily. 

RS485 Shield Wikidocs Page


  • Integrated standard RS485 port ,a mini RS485 port, RS485 headers
  • Provides the welding areas to make full use of the free space. And more importantly, it’s convenient for your DIY design.
  • Switches between automatic mode and manual transmission mode, which expand the scope of application.
  • Besides Tx/Rx interface, there is a switch to block/disable this shield, when Arduino needs to be programmed.
  • Gold immersion PCB. Long pins on the back adapt to most Arduino controllers.


  • Power module: +5V
  • Module size: 55mmx53mm(2.16″x2.08″)
  • 16 digital IO port (including a I2C interface)
  • 6 analog IO port and power
  • Operation and programming mode switch
  • Automatic and manual transceiver mode switch (When in manual transceiver mode, the enable end is the 2nd digital IO port)
  • Transceiver indicating LED
  • Standard RS485 interface, mini RS485 interface and RS485 pins
  • Welding area
  • Reset switch
  • PH2.0 sensor interface for DFRobot RS485 series sensor: URM04 Ultrasonic sensor

*Specifications are subject to change without notice.