Wireless Positioning System. Compiled by Austin Stoker ECE 5320 Spring 2012 Dr. Chen. I want a robot lawn mower but I don’t want to bury a wire. What sensor could I use?. GPS. Only accurate to a few meters . Small (1cmx1cmx.2cm) Cheap ($3-$30). Image from Wikipedia /GPS
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Compiled by Austin Stoker
ECE 5320 Spring 2012
Image from Wikipedia/GPS
Dimensions and prices http://www.semiconductorstore.com/cart/pc/viewprd.asp?idProduct=42046
Measuring the time in takes to receive a sound signal from 3 different beacons with known locations the sensor can triangulate it’s location. With only 2 bases the position can be found if the robot is supposed to be within the bounds of the bases.
Prices from www.mouser.com/
Prices from www.mouser.com
Make sure the