Author Topic: Teensy 2.0 + USB cable, $11.34 shipped  (Read 2642 times)

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Offline ander

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Teensy 2.0 + USB cable, $11.34 shipped
« on: Sun, 15 April 2018, 20:48:39 »
Here's a cheap way to convert that Model F-XT or make that 122-key terminal board programmable:

1 Set Teensy 2.0 USB Keyboard Mouse AVR Board ISP U Disk Experiment for Software





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Offline SpAmRaY

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Re: Teensy 2.0 + USB cable, $11.34 shipped
« Reply #1 on: Sun, 15 April 2018, 21:26:29 »
« Last Edit: Sun, 15 April 2018, 21:33:52 by SpAmRaY »

Offline Hak Foo

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Re: Teensy 2.0 + USB cable, $11.34 shipped
« Reply #2 on: Sun, 15 April 2018, 21:36:20 »
Looks a little different-- the reset button, for example-- from the ones I've seen.

It is intriguing because there's a huge gap in the market above for Pro Micro for a cheap controller for battleship boards and fullsize conversions that need more pins.
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Offline E TwentyNine

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Re: Teensy 2.0 + USB cable, $11.34 shipped
« Reply #3 on: Sun, 15 April 2018, 21:48:18 »
Fake.  Component layout doesn't match a Teensy++ 2.0  (which is what it's trying to be) and it's using the exact box shown on the counterfeit ID page.

Plus, it's from China.  Worth a couple bucks more to get it from PJRC or a certified reseller.
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Offline mrhead

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Re: Teensy 2.0 + USB cable, $11.34 shipped
« Reply #4 on: Sun, 15 April 2018, 21:49:07 »
I concur - fake.

Offline fohat.digs

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Re: Teensy 2.0 + USB cable, $11.34 shipped
« Reply #5 on: Mon, 16 April 2018, 07:24:07 »
Too bad, that would be a good price. But it is certainly not a 2.0, which is what Soarer's firmware is based on.
“Wise statesmen as they were, they knew the tendency of prosperity to breed tyrants, and so they established these great self-evident truths, that when in the distant future some man, some faction, some interest, should set up the doctrine that none but rich men, or none but white men, were entitled to life, liberty and pursuit of happiness, their posterity might look up again to the Declaration of Independence and take courage to renew the battle which their fathers began — so that truth, and justice, and mercy, and all the humane and Christian virtues might not be extinguished from the land; so that no man would hereafter dare to limit and circumscribe the great principles on which the temple of liberty was being built.”
- Abraham Lincoln, July 4, 1858

Offline ander

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Re: Teensy 2.0 + USB cable, $11.34 shipped
« Reply #6 on: Wed, 18 April 2018, 05:00:12 »
I'm not sure I know what you mean by "fake", or how important that is.

Of course I didn't think it was actually made by the original Teensy developer. They're not trying to conceal the fact that it's being made and sold from China. Apparently they've just built a Teensy 2.0 equivalent, the same way any experienced electronics hobbyist could—and they can offer it more cheaply because their costs are lower. Does it really matter, as it works the same?
Imagine that everything you are typing is being read by the person you are applying to for your first job. Imagine that it's all going to be seen by your parents and your grandparents and your grandchildren as well. – Tim Berners-Lee, creator of the World Wide Web

Offline suicidal_orange

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Re: Teensy 2.0 + USB cable, $11.34 shipped
« Reply #7 on: Wed, 18 April 2018, 07:13:10 »
I'm not sure I know what you mean by "fake", or how important that is.
...
Does it really matter, as it works the same?

Teensys use a custom bootloader which is smaller, so any firmware designed for the Teensy rather than the raw ATMega chip won't work on a fake.
                               
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Offline E TwentyNine

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Re: Teensy 2.0 + USB cable, $11.34 shipped
« Reply #8 on: Wed, 18 April 2018, 07:33:31 »
I'm not sure I know what you mean by "fake", or how important that is.

Of course I didn't think it was actually made by the original Teensy developer. They're not trying to conceal the fact that it's being made and sold from China. Apparently they've just built a Teensy 2.0 equivalent, the same way any experienced electronics hobbyist could—and they can offer it more cheaply because their costs are lower. Does it really matter, as it works the same?

Do you know it works the same?  Do you know the quality of the components and manufacturing of the hardware matches what PJRC makes?  Do you know if it has recent and correct firmware?

Teensy is a brand name, made by a specific company with a known reputation behind their product.   This might be "Teensy compatible" or "Teensy-like" but it's not a Teensy.

It might work fine.  It might not.  But it's not a Teensy.
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Offline ed_avis

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Re: Teensy 2.0 + USB cable, $11.34 shipped
« Reply #9 on: Fri, 20 April 2018, 03:59:58 »
You need to buy the DIN socket too (and a few wires and a bit of solder).  I made my first Soarer's converter by hand but since then I've been happy with the ready-made adaptors sold on Ebay, for about $35 more.

Offline ander

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Re: Teensy 2.0 + USB cable, $11.34 shipped
« Reply #10 on: Fri, 20 April 2018, 06:27:31 »
Oh well, guys, I was just going from the description. For such paltry dough, maybe someone should just buy one and compare it with the original. I'd do it myself if I had time for such a project.
Imagine that everything you are typing is being read by the person you are applying to for your first job. Imagine that it's all going to be seen by your parents and your grandparents and your grandchildren as well. – Tim Berners-Lee, creator of the World Wide Web

Offline fohat.digs

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Re: Teensy 2.0 + USB cable, $11.34 shipped
« Reply #11 on: Fri, 20 April 2018, 06:43:19 »
Personally, I have always used genuine Teensy 2.0 with PJRC's and Soarer's firmware and they have always worked perfectly.

The item in the photo looks like a "++" or some other variant which may or may not work with firmware intended for the "2.0"   
“Wise statesmen as they were, they knew the tendency of prosperity to breed tyrants, and so they established these great self-evident truths, that when in the distant future some man, some faction, some interest, should set up the doctrine that none but rich men, or none but white men, were entitled to life, liberty and pursuit of happiness, their posterity might look up again to the Declaration of Independence and take courage to renew the battle which their fathers began — so that truth, and justice, and mercy, and all the humane and Christian virtues might not be extinguished from the land; so that no man would hereafter dare to limit and circumscribe the great principles on which the temple of liberty was being built.”
- Abraham Lincoln, July 4, 1858

Offline xmagusx

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Re: Teensy 2.0 + USB cable, $11.34 shipped
« Reply #12 on: Fri, 20 April 2018, 08:27:03 »
Yes, it's a counterfeit, not just a clone, as the listing claims that it's a "Teensy USB development board"). It's a situation similar to the "Pro Micro" ripoffs that are all over ebay as well.

It does purport to use the same chip as the Teensy++ 2.0, a AT90USB1286, though in none of the pictures was the chip clear enough to read, which is another red flag for me.

Definitely a deal if it works, but I'm still not sure I'd be inclined to roll the dice when a legit one is only twelve bucks more.
« Last Edit: Fri, 20 April 2018, 08:29:33 by xmagusx »

Offline ander

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Re: Teensy 2.0 + USB cable, $11.34 shipped
« Reply #13 on: Fri, 20 April 2018, 18:00:22 »
It does purport to use the same chip as the Teensy++ 2.0, a AT90USB1286, though in none of the pictures was the chip clear enough to read, which is another red flag for me.

Ha, "red flag", is that a China joke?  :?)

Here's the best I can do with enlargement and contrast enhancement:








Make any difference? You guys know more about this than I do.


Yes, it's a counterfeit, not just a clone, as the listing claims that it's a "Teensy USB development board")...

Is "Teensy" an actual trademark? If so, the developer hasn't bothered to indicate that anywhere. I suspect it's no more a trademark than "Soarer's Converter"—yet all kinds of people have built and sold those "by name", and as long as they've worked as expected, no one's objected. Calling this a "Teensy 2.0" is just a way of making its purpose clear to peeps who'd be interested in such a thing.


Definitely a deal if it works, but I'm still not sure I'd be inclined to roll the dice when a legit one is only twelve bucks more.

Depends on how you see it—you could also say the other ones are twice as much.  ;?) 

Anyway, I've seen people here take chances on new keyboards whose quality was unknown, that involved much more dough than this. So I just thought I'd put it out there in case anyone was intrigued enough to pursue it for the price of a lunch. See ya later!
Imagine that everything you are typing is being read by the person you are applying to for your first job. Imagine that it's all going to be seen by your parents and your grandparents and your grandchildren as well. – Tim Berners-Lee, creator of the World Wide Web

Offline E TwentyNine

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Re: Teensy 2.0 + USB cable, $11.34 shipped
« Reply #14 on: Fri, 20 April 2018, 18:09:05 »
Is "Teensy" an actual trademark? If so, the developer hasn't bothered to indicate that anywhere. I suspect it's no more a trademark than "Soarer's Converter"—yet all kinds of people have built and sold those "by name", and as long as they've worked as expected, no one's objected. Calling this a "Teensy 2.0" is just a way of making its purpose clear to peeps who'd be interested in such a thing.


You suspect wrong.  Teensy is trademarked.

It takes about 30 seconds to do a search on the trademark database.

http://tmsearch.uspto.gov/bin/gate.exe?f=login&p_lang=english&p_d=trmk   Do a basic word search on "Teensy"

Anyway, I've seen people here take chances on new keyboards whose quality was unknown, that involved much more dough than this. So I just thought I'd put it out there in case anyone was intrigued enough to pursue it for the price of a lunch. See ya later!

There's a difference between a no-name keyboard using known switches and a keyboard trying to pass itself off as another manufacturer.

Please change the title of this thread.
« Last Edit: Fri, 20 April 2018, 18:11:21 by E TwentyNine »
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Offline fohat.digs

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Re: Teensy 2.0 + USB cable, $11.34 shipped
« Reply #15 on: Fri, 20 April 2018, 18:27:33 »
Tangentially, can anyone verify firsthand that a Teensy ++ 2.0 flashes with the same PJRC firmware and works with Soarer's Firmware without further modifications?
“Wise statesmen as they were, they knew the tendency of prosperity to breed tyrants, and so they established these great self-evident truths, that when in the distant future some man, some faction, some interest, should set up the doctrine that none but rich men, or none but white men, were entitled to life, liberty and pursuit of happiness, their posterity might look up again to the Declaration of Independence and take courage to renew the battle which their fathers began — so that truth, and justice, and mercy, and all the humane and Christian virtues might not be extinguished from the land; so that no man would hereafter dare to limit and circumscribe the great principles on which the temple of liberty was being built.”
- Abraham Lincoln, July 4, 1858

Offline Hak Foo

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Re: Teensy 2.0 + USB cable, $11.34 shipped
« Reply #16 on: Fri, 20 April 2018, 19:28:32 »
I think there's a specific image they make for the Teensy++; I've used it on a GH-122.
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