XMIT cord for TI84>TI83

KermMartian · Posted: 27 Sep 2010 04:24:52 pm Post subject:

Ah, then they just don't have them in the northeast. :/ Thanks for clarifying that, Mufin. And I think that at least in New York, the employees are definitely not hired on the basis of their electronics knowledge, and probably not on the basis of general intelligence either. :/
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rcplanegy · Member Joined: 23 Sep 2010 Posts: 174

well i think i fixed it. i tore apart the two plugs and re-soldered wires onto them so now i know which wire is connected to what plug XD. If you want something done right you gotta do it yourself!

and OHHHH SNAP shot down Razz

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KermMartian · Posted: 27 Sep 2010 06:47:44 pm Post subject:

rcplanegy · Member Joined: 23 Sep 2010 Posts: 174

KermMartian · Posted: 27 Sep 2010 07:07:10 pm Post subject:

Ah, I thought you were talking about the cable, hence my confusion. Smile

The problem is having to deal with dozens and dozens of these employees over many many years of buying components at RadioShack, and having the employees provide little to no assistance in finding out if they have components, including showing they have no idea of the difference between the different components whatsoever.
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rcplanegy · Member Joined: 23 Sep 2010 Posts: 174

uhh hu.... ANYWAYS... i got tired of wondering what wire was connected to what and decided waht the heck, tore apart the plugs and re wired/soldered 3 wires from each plug, so now i can find the correct combonation of connections. i do have the correct pug, right? To anyone who has a TI83 cable, the plug DOES have 3 metal bands, right? I dont want to waste time on this if the basic commponents arent even right. :/
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KermMartian · Posted: 28 Sep 2010 11:18:39 am Post subject:

I thought that you said that it was working. Do you not have a continuity tester that you can use, as Ben suggested?
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rcplanegy · Member Joined: 23 Sep 2010 Posts: 174

no, i dont have a tester; but if u stick your tounge on the bare wires you can definately feel an electrical current Razz

i know the plugs ARE in all the way, but i still want to know if i have the CORRECT nuber of metal bands; does/did the original TI83 cable have 3 or 4 metal bands on them?
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benryves · Posted: 28 Sep 2010 11:27:07 am Post subject:

It has three. Here's a rather blurry photo of an original cable.

KermMartian · Posted: 28 Sep 2010 11:32:24 am Post subject:

rcplanegy · Member Joined: 23 Sep 2010 Posts: 174

yeah i did I've established the red and yellow wires (middle and tip bands) as 1 polarity and the single green wire (the band closest to the wire connections) as the other polarity. i don't think it really matters if i don't find out which polarity it is, i just need to test out different color possibilities. Ive made a chart showing all possible color combinations and ill try them out tomorrow with my TI83 friend Smile

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KermMartian · Posted: 28 Sep 2010 03:25:23 pm Post subject:

You're misusing the word polarity, but I think I've sorta figured out what you mean. All you need to know is which wire is tip, which wire is ring, and which wire is base for each plug, then connect tip to tip, ring to ring, and base to base.
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rcplanegy · Member Joined: 23 Sep 2010 Posts: 174

well see theres the problem... the first time i wired it it was tip-tip, ring-ring, base-base, but nothing got through, and i know my soldering and wiring was spot-on. I'm going to try ALL possible combinations and see what works...
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KermMartian · Posted: 28 Sep 2010 03:29:06 pm Post subject:

rcplanegy · Member Joined: 23 Sep 2010 Posts: 174

There is no plastic part. I cut it off so the plug would fit into my I/O port, and i KNOW FOR A FACT that all parts of the plug fit snugly into the I/O port. I know they do! I guess ill try re-wiring it like the first example (base-base, ring-ring, tip-tip) but i know nothing is wrong with the plugs for certain. it IS the wiring that's wrong. ill experiment and see what happens Very Happy

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KermMartian · Posted: 28 Sep 2010 04:46:37 pm Post subject:

And to confirm, you did a continuity check to ensure that tip is actually connected to tip, ring to ring, and base to base? Would it be possible to get a photo of this setup?
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rcplanegy · Member Joined: 23 Sep 2010 Posts: 174

Yeah ill try... and yes, tip-tip, ring-ring, base-base. ill try to get a pic right now actually...
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KermMartian · Posted: 28 Sep 2010 04:52:56 pm Post subject:

benryves · Posted: 28 Sep 2010 04:55:41 pm Post subject:

If you have Calcsys on your calculator, run the Port Monitor and look at port 00 ("Link"). Plug the cable into the calculator. The "Bin" value should end in "11". Touch a wire between the base of the cable (the bit nearest the wire end) and the tip and it should end in "10". Touch it between the base and ring (the middle bit) and it should end in "01".

KermMartian · Posted: 28 Sep 2010 04:58:41 pm Post subject: