£25.00 exc. VAT

Price Quantity Breaks:

1-9:       £25.00       10-24:    £21.60

25-99:   £19.56       100+:     £18.20

SKU: DS9490R# Categories: , , Tag:

DS9490R USB to 1-Wire™/iButton™ Adapter

The DS9490R is a USB bridge with 1-Wire™ RJ11 interface to accommodate 1-Wire™ receptacles and networks. The DS1402D-DR8 (Blue Dot™) can readily be used in conjunction with the DS9490R to create an iButton PC reader.


High-Speed 12Mbps Universal Serial Bus (USB) Interface
Supports Standard and Overdrive 1-Wire™® communication
Slew-Rate-Controlled 1-Wire™ Timing
Active Pull-up 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


Software Authorization: Protection against software piracy by tying software operation to the presence of iButton™ hardware.
iButton™ Initialization and Download: Loggers like the Thermochron® can be missioned and downloaded. Monetary iButtons™ can be refilled with money.
Demonstration: Demonstrate the features of iButtons™ or 1-Wire™ chips on personal computers.
Development: Aid development of 1-Wire™ applications by providing a PC interface to verify device contents and state.

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