Why use Dual PING/IR combinations? — Parallax Forums

Why use Dual PING/IR combinations?

JimG Posts: 84

2012-05-21 18:25 edited 2012-05-21 18:25 in Accessories

I see the Dual PING/IR Acrylic Stand with Sensors and am wondering what one gains from using both sensors? Also, how high above the surface does the IR sensor need to be?

Thanks,

Jim

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