Technology Industry
Industry: Email Alert RSS FeedBooks and boards, Part 2.(Embedded Systems)
ECN-Electronic Component News, December, 2005 by Titus, Jon
Kits Demo Wireless UART
Two kits from Texas Instruments, Dolphin-LP-EVM, $399 (low power, 7 dBm) and Dolphin HP-EVM, $499 (high power, 23 dBm), show how the Dolphin frequency-hopping spread-spectrum chipset simplifies communication in the crowded industrial scientific and medical (ISM) spectrum. The demo kit includes two RF modules and two base modules that connect to host PCs through serial ports. The battery-powered modules can communicate over a single channel or via frequency hopping. (You'll need two AA batteries to power each base module. The kit includes serial-port cables.)
Software on an accompanying CD-ROM installed quickly and let me send random-length packets of random data between the transceivers, which I placed about 15 feet apart....
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