PDA interface and schematic circuit
Simple version. Full version location at http://circuitsradio.com
View original of this circuit: http://circuitsradio.com/schematics/electrical-engineering/PDA-interface-and-schematic/index.html
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Wireless local network for PalmPilot (large PDF)
View original of this circuit: http://circuitsradio.com/schematics/electrical-engineering/PDA-interface-and-schematic/index.html