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. The DS9490 can be used with the 1-Wire Weather Instrument and with any of the 1-Wire modules offered by AAG Alectronica LLC. The adapters is based on the DS2490 USB to 1-Wire bridge chip. PC software drivers for Windows ® 98, Windows 2000, Windows ME, and Windows XP can be found on the iButton website