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Looking for breadboard wire near Worcester

Discussion in 'Off-Topic' started by swatgig, Feb 13, 2019.

  1. swatgig

    swatgig NES Member

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    Nephew is working on school electronics project and ran out of wire.

    Radio Shack and Stark Electronics are gone.

    Where can he get some locally?
     

  2. timbo

    timbo Navy Veteran NES Member

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    What does he need? Where I work I am always throwing out yards and yards of extra stranded hookup wire pretty much all typical insulation colors and 14-28 gauge...give me color and gauge and I can probably set you up in a day or two. I can mail it to you if you aren’t near central NH.
     
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  3. AHM

    AHM NES Member

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    Electronics Plus in Littleton, for sure.

    Does CAT5, etc. have the right gauge?

    (You don't want to use something too wide
    for the holes in the breadboard).
     
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  4. swatgig

    swatgig NES Member

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    He’s using an Elenco XK550 trainer. Everything I’ve seen points to 22 gauge solid wire. My guess is Cat 5 solid would work.

    Project is due Friday, so he needs to pick it up tomorrow.
     
  5. timbo

    timbo Navy Veteran NES Member

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    unfortunately all the stuff we use at work is stranded. I wonder if Lowes or Home depot might have some solid wire hiding in cable they sell like you mentioned, CAT 5 or 6 wire. I know some it is stranded for flexibility but I'm pretty sure I've seen solid CAT wire too
     
  6. AHM

    AHM NES Member

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    Twisted pair is 22ga. or 24ga. Cat 5 is 22ga., 24ga., or 26ga.
    Both come in stranded and solid.

    In a pinch he could even beg a parked utility truck for a few feet of solid.
    They might have a nearly empty spool, look at the kid, and give him the whole thing.
     
  7. Mesatchornug

    Mesatchornug

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  8. AHM

    AHM NES Member

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    You-Blew-It/Needham is a vast superset of Electronics Plus.

    Can't tell if Electronics Plus has pre-cut jumpers,
    or just the wire and cable spools they can bulk cut for you.
    Well, there are some pre-packaged wires at Electronics Plus,
    but don't remember if any pre-packaged jumpers.

    You-Blew-It has Elenco-branded assortments of colorful insulated
    breadboard jumpers preformed into "U" shapes
    .
    They use a different color for each length.
    It definitely has assortments of terminated flexible jumper wires.

    It's just that Worcester is probably closer to Littleton than Needham.

    A third source of pre-cut breadboard wires
    is the Maker room at MicroCenter in Cambridge.
    They definitely have Elenco branded stiff jumper assortments.
    But Cambridge is even further from Worcester.
     
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  9. swatgig

    swatgig NES Member

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    My brother’s (nephew’s father) close friend is a Verizon tech. I believe that should solve the problem.
     
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  10. Spanz

    Spanz NES Member

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    what exactly do you mean by "breadboard wire"? that solid conductor stuff, precut to various short length, for a push in solder-free breadboard?
    i have a box of it you can have, but i am in andover....kind of far.
    not sure you-do-it would have that wire...but they might...there is a breadboarding section.

    [​IMG]
    this stuff, right?

    you can get a kit shipped overnight from Digikey or Mouser too


    BC-32626 Bud Industries | Prototyping, Fabrication Products | DigiKey
     
  11. Evtide

    Evtide NES Member

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    Any Home Depot / Lowes and maybe hardware stores will have thermostat wire. Slice the sheath and cut what you need from the color-coded conductors within.
     
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  12. daddysuperfly

    daddysuperfly

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    I was also going to suggest thermostat wire. You can get multistrand (I think up to 7) so you have different colors.
     
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  13. AHM

    AHM NES Member

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    As a market segment overview,
    MicroCenter seems to carry three kinds of overpriced wire
    for edumacational breadboarding:
    1. Those color coded segments of insulated wire, pre-formed into standard lengths. Frequently in a compartmentalized box.
    2. Floppier lengths of wire with stiff pins soldered (or swaged?) on the tips, with shrink wrap covering the joints.
    3. Lengths of ribbon cable with those stiff pins attached the same way as type #2 above.
    A query that yields two pages of results shows them all:
    1. Page one.
    2. Page two.
    The crucial factor in a winning query is using the word "jumper",
    not "wire" or "breadboard".

    I'm sure they all pass electrons just fine.

    But if the lab instructor grades on neatness,
    or using some standard colors for different signals,
    we don't want the OP's nephew to lose points.


    (Most kind).

    This assertion cribbed from my lengthiest post...
    is a link to a JPG image hosted by a corner of the cloud leased to You-Do-It.

    Diagnosis: carrot deficiency,
    or the NES forum style sheet needs to use a more
    (you should excuse the expression)
    "electric" blue for hyperlinks.
    Or my post was TL;DR.

    A cloud image file is no proof that Needham hasn't run out,
    but it's a thing they claim to sell.


    Pacific Rim manufacturers must rupture themselves that
    Westerners will pay stupid money for a product that's basically
    insulated giant staples made out of wire.
    But it looks pretty.


    I'm glad OP's nephew is getting STEM training,
    and I hope he finds it rewarding.

    But I bet there's more than one retired EE
    who chose electronics because they liked
    the colorful resistors in some uncle's parts bins as a child.
     
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  14. AHM

    AHM NES Member

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    For someone with a late KB1-series call sign,
    you're well-assimilated into the Skinflint-American Community,
    hi hi.
     
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  15. swatgig

    swatgig NES Member

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    So the project is to take three switches, and build a circuit to display the digits of your birthday, depending on the position of the switches. So using Maura Healey's 07-20-16 enforcement date, digit 000 is "0", digit 001 is "7", digit 010 is "-", etc. He already had the circuit diagram, chips, LED display, and the kit. He just had no idea how to physically wire it up.

    Kid goes to Assabet Valley Tech. This is his engineering course (I think). His chosen trade is automotive. His older brother graduated in June and got a job as a mechanic on a Monster Truck team. This one will probably head for college.

    So my brother found what looks like some thermostat wire at work, so I'll head over there later to help him finish. I can't wait to hear the response he gets when he tells his teacher "My uncle, the lawyer, helped me"
     
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  16. daddysuperfly

    daddysuperfly

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  17. Spanz

    Spanz NES Member

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    i have hundreds of miles of wire in my lab. When i ran out of the pre bent and pre stripped wire and needed to do something with my protoboard...i RAN to get another prestripped kit! They are exactly shaped to fit a 2 row gap, 3 row gap, 4 row gap, and so on! it is soooo much easier to use
     
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  18. AHM

    AHM NES Member

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    I'm intrigued.

    Hooking 7 segment displays to BCD to 7-segment converters is good intro stuff.
    Even hooking them to (say) decade counters is good grist.

    But while I can think of several UI's and storage schemes
    to use 3 "switches" to load the data,
    I'd say they involved a quantum jump in complexity.

    So either he's getting a really good class there,
    or it's a real sink-or-swim deal.
    (ETA: That is, really top-notch).
     
    Last edited: Feb 14, 2019
  19. Spanz

    Spanz NES Member

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    You do it in Needham 12CEC363-72B8-4A67-9314-965CC6C7CD48.jpeg had a couple boxes
     
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  20. swatgig

    swatgig NES Member

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    So nephew called again. He's got it wired up but it's not working. I stopped by and checked his wires. It looked good, so he started swapping the chips around. Problem moved with one of the chips. Upon closer inspection, I realized pin 14 was broken off the "bad" chip.

    So Uncle Hack jammed a wire into the hole where the pin would go and wedged it up against the rest of the pin. Problem solved.
     
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  21. AHM

    AHM NES Member

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    I don't think I've been unlucky enough to deal with repairing the stump of a DIP chip pin, but somewhere in the house I have a circuit where I soldered a lead back on to its stump at the bottom of a (TO-18?) case.

    [​IMG]
    It's not mechanically strong, but as long as nothing bumps the body it will remain a good electrical connection. And a hinky press-fit connection is not a confidence builder. DVMs with audio continuity alerts frequently sound very scratchy when a human is holding a least one of the two wires in a connection; Lord knows what an oscilloscope trace looks like when a looseish wire is pressed against a lead stub.

    Faced with your nephew's issue, I would at least consider replacing the stub of copper wire with a (proper diameter) length of paper clip wire, so that when bent inwards a scoche before inserting the chip, it maintained good electrical contact. I'd be leery of the copper lead deforming under pressure and bending away from the DIP IC stub.

    With my personal soldering skills, I would actually try and solder a wire onto the stub. (Once the DIP was plugged into the breadboard, and the field expedient wire lead was in good contact with the stub).
    Knowing what I can see about DIP package fabrication, if necessary I'd even try and use the tip of my X-Acto to gouge away a fraction of a millimeter's worth of the black plastic to expose more stub. (I wouldn't try and carve on a ceramic package, of course). But that stub will probably take solder with more alacrity than you think.

    But someone without a feel for soldering would be more likely to make a mess or roach the semiconductors inside, so that's not for everyone.

    (Of course nowadays I'd also consider replacing the chip if it's common one that's stocked at You-Blew-It or Electronics Plus).


    All of the above is way easier if you use a magnifier.
    [​IMG]
    I got ours (sans LEDs) at a hamfest, but Harbor Freight sells them.
    I wear mine when stripping/cleaning guns too, so no NESer should be without a pair.
     
  22. Spanz

    Spanz NES Member

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    man you are lucky it was something as HUGE as a dip package.
    With the surface mount packages of today, you can not even SEE the leads without a microscope. SOmetimes they are UNDERNEATH the package and can not be seen at all (ball grid arrays)
     
  23. jeepchute

    jeepchute

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    Hobby towns have a Radio Shack electronics section in the store. Turn 4 Hobby in West Boylston is one. Only local place i foud a specific contact cleaner. Geared towards the arduino and raspberry pi crowd so im sure they have breadboard parts. I realize this is a bit late but maybe it will help someone.
     
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  24. radioman

    radioman NES Member

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    I hate to say it but when I need anything non-food I go directly to
    Amazon. Order on Monday at my doorstep on Wednesday. Always
    the best price and no shipping for prime.

    Yes I hate J. Bazos but I do admit he has a great/amazing company.
    I guess that puts me in with the rest of the hypocrites.
     

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