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DFrobot RS485 Shield for Arduino

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$24.95 (inc GST) $22.68 (exc GST)
Ships in ~10 bus. days

Product Description

RS485 is an industrial standard for long dsitance, anti-interferrence and reliable communication. This RS485 shield for Arduino from Tronixlabs Australia can easily convert UART/Serial protocol to RS485 protocol.  This board allows Arduino access to industrial standard protocol easily.
  • Integrated a standard RS485 port, a mini RS485 port and RS485 headers
  • Provide the welding areas to make full use of the free space. And more importantly, it's convenient for your DIY design.
  • Switch 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: 55mm x 53mm
  • 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
  • Prototyping area for your own circuitry
  • Reset switch

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