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      Wdsen Electronic Technology Co., Ltd

      iButton Temperature Loggers

      iButton Hygrochron Temperature/Humidity Logger

      DS9490 USB to 1-Wire/iButton Adapter

      DS9490B USB iButton Holder

       

       

       

      DS9490R USB to 1-Wire RJ11

       

       

       

      Applications/Uses

      • iButton Initialization and Download
      • Demonstration
      • Development
      • Software Authorization

      Description

      The DS9490B is a USB bridge and holder for a single F5-size iButton?. The iButton is securely held behind a latched door. The DS9490R is a USB bridge with 1-Wire? RJ11 interface to accommodate 1-Wire receptacles and networks. For a list of suitable 1-Wire network cables, refer to the Connectivity Matrix table in the DS1402x 1-Wire network cables data sheet. Both adapters are based on the DS2490 USB-to-1-Wire bridge chip.

      Key Features

      • High-Speed 12Mbps Universal Serial Bus (USB) Interface
      • Supports Standard and Overdrive 1-Wire Communication
      • Slew-Rate-Controlled 1-Wire Timing and Active Pullup for Improved 1-Wire Network Performance
      • DS9490R has an RJ11 Interface for Standard Connectivity Accessories such as the DS1402D-DR8
      • DS9490B has an iButton Interface and Retains a Fixed iButton
      • Built-In Custom DS2401 Identification Chip
      • Reads all 1-Wire and iButton Devices. Writes All Except EPROM 1-Wire/iButton Devices

       

       

      DS1921G Thermochron iButton Device

      DS1921H High-Resolution Thermochron iButton Devices

      DS1921Z High-Resolution Thermochron iButton Devices

      DS1922E iButton High-Temperature Logger with 8KB Data-Log Memory

      DS1922L iButton Temperature Loggers with 8KB Data-Log Memory

      DS1922T iButton Temperature Loggers with 8KB Data-Log Memory

      DS1923 iButton Hygrochron Temperature/Humidity Logger with 8KB Data-Log Memory

      DS1925 iButton High-Density Temperature Logger with 122KB Data-Log Memory

      DS9097U-S09 Universal 1-Wire COM Port Adapter

      DS1402D-DR8 1-Wire Network Cables

      iButton Hygrochron Temperature Humidity Logger,ds1923,ds1922,ds1921

       


       

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