M5Stack ATOM RS485 DC/DC Voltage Converter Development Kit (SP3485EE)

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The ATOM RS-485 is a TTL-RS485 converter designed for use with M5Atomic. It's function is for TTL level and RS485 level-conversion. RS485 is a communication protocol standard, which is used to define the electrical characteristics of drivers and receivers of a serial communication system. It supports a multi-point system and is widely used in the industry. When the applications equipment needs to communicate and be controlled through RS485, the ATOM RS-485 is an excellent choice. A DC/DC voltage regulator chip is integrated in the ATOM RS-485, which can directly convert the 12V voltage of RS485 to 5V to supply power for M5ATOM, avoiding the trouble of using a separate power supply.


  • Compatible ATOM Matrix/ATOM Lite
  • SP3485EE
  • Built-in DC/DC
  • Multipoint communication

Package Contents

  • 1x ATOM RS-485
  • 1x ATOM Lite
  • 1x Hex Key
  • 1x M2*8mm Hexagon socket cup head machine screw
  • 1x 18cm TYPE-C Cable


    Specification Parameter
    External port VH-3.96 4P
    Conversion level 5V12V
    level-conversion IC SP3485EE
    DC-DC A0Z1282CI
    Net weight 28g
    Gross weight 38g
    Product Size 24*48*18mm
    Package Size 54*54*20mm
    Case material Plastic ( PC )


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