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Mattel develops radar gun from inexpensive components

Posted: 12 Jul 2007  Print Version  Bookmark and Share Subscribe

Keywords: radar measurement gun  dielectric resonant oscillator 

[Summary of tips] Mattel's Hot Wheels Radar Gun (HWRG) is an ingenious toy with a businesslike design. Able to measure scaled miniature Hot Wheels speeds along with real-world speeds (mi/hr or km/hr) at the flick of a switch, the radar gun uses an impressive but inexpensive component set to create a true Doppler radar measurement device. I had a......
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