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Type: Posts; User: loglow

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    That's true! I think that gives it capabilities...

    That's true! I think that gives it capabilities on par with the J-Link EDU/BASE, if I remember correctly what I read about it a few weeks ago (which I probably don't).
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    Yeah, honestly they look great, but I was turned...

    Yeah, honestly they look great, but I was turned off by the fact that J-Flash software requires a J-Link PLUS at minimum, which is $600. I might pick up an EDU model to play with, but I'd be tempted...
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    I agree, and I plan to make some (of the things...

    I agree, and I plan to make some (of the things you mentioned) if this project works out well. My previous take on that was this: https://forum.pjrc.com/threads/52751 but the form-factor was never...
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    Yeah, I had the same thinking. Using the Teensy...

    Yeah, I had the same thinking. Using the Teensy is great for development, and even for small runs of things, but it's not ideal to integrate into a product, due to space, headers, mounting, etc. And...
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    Thanks! I hope it ends up being viable for...

    Thanks! I hope it ends up being viable for production use with or without the PJRC bootloader! If the LPC-Link2 works out, then we're talking about a $20 programmer and a <$50 programming fixture.
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    Thanks! I'm inclined to agree with you, except...

    Thanks! I'm inclined to agree with you, except that I've really come around to the option of having the bootloader on-board. Obviously this variant won't actually be available for a while, until the...
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    Here are some some board and footprint drawings...

    Here are some some board and footprint drawings of the current design (units are mm):

    1889218893



    Timeframe for a beta is probably 6-8 weeks. The current revision is going to start being...
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    Here's an update! A new revision is all routed...

    Here's an update!

    A new revision is all routed up and ready to go.

    I stuck with my previously-posted layout and overall size of 14.5 x 25.5 mm:

    18729 18730

    Here's the current pinout:
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    Yes, this is very cool. I'm pretty sure at this...

    Yes, this is very cool. I'm pretty sure at this point that the Teensy bootloader chip will be optional.

    I've just picked up an LPC-Link2 board (aka Embedded Artists EA-XPR-200, only costs $20) for...
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    Thanks! Perhaps you'd like to be a beta tester?

    Thanks! Perhaps you'd like to be a beta tester?
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    At the moment, it's just 100% solder mask...

    At the moment, it's just 100% solder mask (blank), no components.

    However, I might add (JTAG + power + USB) test points to facilitate programming with a pogo pin fixture.
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    So, I haven't tried re-routing this yet, but I do...

    So, I haven't tried re-routing this yet, but I do like the new layout and size.

    I removed the exposed pad on the QFN after doing some research...
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    This might be an ignorant response on my part,...

    This might be an ignorant response on my part, and this question may have already been discussed elsewhere, but... upon first glance:

    Wouldn't a momentary switch (going to GND) connected to the...
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    Well, I had a change of heart about this, for a...

    Well, I had a change of heart about this, for a few reasons, including those you mentioned. Mostly, the added complexity of using both modules together (T2M + a seperate bootloader board) and an end...
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    Because they’re not yet capable of initializing...

    Because they’re not yet capable of initializing an off-the-shelf i.MX RT1062. PJRC has a custom fixture to do it at the moment. Paul has said he is planning to update the bootloader code to support...
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    I'm thinking of something like this for the...

    I'm thinking of something like this for the bootloader board.

    18519

    This is 12 x 6 mm. The pads are a bit larger, 0.5 mm drills with a 1.5 mm pitch.

    This one could be easily made with the...
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    Thanks! :) I think you make a very good...

    Thanks! :)



    I think you make a very good point here. They were another size/convenience compromise, but they take up too much space for the amount of convenience they provide (not much). I've...
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    T2M, an Embeddable Teensy Module (WIP)

    I've been working on this as a tangent, and it's time for me to get some feedback (and help) if anyone is interested. Here goes.

    Note: This is not a finished/working project, but rather a...
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