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Re: Sharp Prox IR sensors read shorted
A bit more info: We were reading a ~30 ohm impedance between the robot frame and ground, not a hard short. There is a metal screw in the circuit board holding it to the frame. I suspect that is the circuit path. If I hadn't just thrown away one we fried, I'd dissassemble it for examination. Across the full width of the case using a multimeter and sufficient pressure, we'd measure ~100 ohm impedance.
RufflesRidge, thank you. Is there a capacitance value you recomend? We'd noticed the bouncing and have been using software filtering but I'd like to try this as well.
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Originally Posted by texarkana
I would not want the task of devising a system that 50,000 very smart people try to outwit.
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Backstabbing your opponents at the last second will not help you win friends and word will get around pretty quick. Your team will be shunned and distrusted for years. People have long memories, and some of us mentors have been playing this game since you kids were playing with blocks. - ChrisH [more] 
19-02-2014, 08:18
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