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Just bought the Tamiya Track & Wheel Set 70100 and Double Gearbox 70168 yesterday for HKD $80 (~ USD10). The tank base will be about 7" x 3". I've built a simple radar station as shown on the video. It is an ultrasonic sensor mounted on a servo. The output of the sensor is fed to PC thru wireless module. The PC side software reconstruct a radar like screen for human to read. http://hk.myblog.yahoo.com/jw!afd6dGGRHBRkp2laqwk198fg/article?mid=320 I plan to improve the ultrasonic ...
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