> Wired's new issue has an input device for $US80 that is a ring device with > motion tracking and RF. It uses a USB device on the computer and a > finger-worn ring device (but rather large) which is battery powered. You > move the "mouse" by moving your finger, and click by tapping your thumb > against the ring. Tried a similar thing with a permenant magnet on the finger and a Honeywell HMC2003 sensor - www.magneticsensors.com. Range was roughly 6cm or so - I somehow believe the range could be extended. PIC to sample the 3 analog outputs and a maxim202 for the serial port level conversion. On the PC end, a kalman filter to track the output and a function that would feed in the predicted values out of the filter as the new mouse pointer location. Let me know if you are interested in the details, there should be a 2-page note on it somewhere.. Regards, Ozan -- Subcription/unsubscription/info requests: send e-mail with subject of "subscribe", "unsubscribe", or "info" toWear-Hard Mailing List Archive (searchable): http://wearables.blu.org
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