Communication Module

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  • Supply voltage: 5v
  • I2c address:  0x20~0x27
  • Backlight: Shorting Jumper to ON/OFF
  • Product: PL2303 USB to TTL Serial Converter
  • Model: Pl2303HX
  • Linux Supply voltage: 3.3V to 5V
  • 500mA self-recovery fuse for protection
  • Operating Voltage    4.5-5.5 volts (3.3 volt onboard regulator)
  • Communication    SPI
  • 4 M2 screw positioning holes for easy installation


  • Operating voltage: 5V
  • On-board MAX485 chip
  • Convenient RS-485 communication wiring
  • Multiple Units can be connected to the same RS-485 bus wiring.
  • Board size: 44 x 14mm