 | | Re: Handyboard Expansion Sonar Issues —Nick Taylor
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| | | (...) Please explain. Now I'm worried about damaging my sonar board. Since the foil cable has conductors on only one side, I didn't think that it was possible to plug it in "backwards" and still make an electrical connection. My understanding of the (...) (26 years ago, 5-Feb-99, to lugnet.robotics.handyboard)
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| | | | | Re: Handyboard Expansion Sonar Issues —William Bain
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| | | | | (...) It's possible that the flat flex cable could make electrical contact either way, since the socket has "teeth" in it that could penetrate the insulation on the one side of the cable. And *don't* trust that the dotted edge is the correct one; I (...) (26 years ago, 5-Feb-99, to lugnet.robotics.handyboard)
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| | | | | | | Re: Handyboard Expansion Sonar Issues —Nick Taylor
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| | | | | | Bill - - Thanks! - - - Nick - - - (...) (26 years ago, 5-Feb-99, to lugnet.robotics.handyboard)
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| | | | | Re: Handyboard Expansion Sonar Issues —
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| | | | The quickest check is to go from V+ of the diode string and see if continuity to pin 1 of TL851 and pin 5 of SN28784 are less than 5 ohms. Similarly check from ground of your power connector to pin 3 of TL851 and pin 16 of SN28784 are less than 5 (...) (26 years ago, 7-Feb-99, to lugnet.robotics.handyboard)
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