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Max The Magnificent
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Re: cool stuff
Max The Magnificent   11/1/2013 12:41:00 PM
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@David: I'll let Duane answer this because he has some of those modules -- I'm just going to use the cheap ones :-)

David Ashton
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cool stuff
David Ashton   10/31/2013 6:48:44 PM
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Very cool stuff Max (and Duane) but one question - what is the LDR for in between the two ultrasonic transducers on the SFR08 module?

Duane Benson
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Fun with sensors
Duane Benson   10/31/2013 6:13:36 PM
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One of the extras I put into the little PIC sensor board is a set of three pins connected to the ADC of the PIC. That way, you can use the same board with the same command set equipped with an ultrasonic sensor or an analog distance measuring sensor.

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As data rates begin to move beyond 25 Gbps channels, new problems arise. Getting to 50 Gbps channels might not be possible with the traditional NRZ (2-level) signaling. PAM4 lets data rates double with only a small increase in channel bandwidth by sending two bits per symbol. But, it brings new measurement and analysis problems. Signal integrity sage Ransom Stephens will explain how PAM4 differs from NRZ and what to expect in design, measurement, and signal analysis.

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