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  1. Replies
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    Is FD only available on 30/31 or can it be MUXed...

    Is FD only available on 30/31 or can it be MUXed to physical pins 0/1, 22/23?
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    Hi Tony, Paul (maker of the DualCAN board)...

    Hi Tony,
    Paul (maker of the DualCAN board) here. Got your email and haven't had much time to go through this thread, until now.
    Impressive work on the library! Can't wait to try it out.
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    Glad to help :)

    Glad to help :)
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    Hi! Just got your email. You may want to try...

    Hi! Just got your email.
    You may want to try https://github.com/pawelsky/FlexCAN_Library which allows you to choose which CAN port you want to use.
    This should be the FlexCAN library fork that is...
  5. Sorry I missed your previous message. You should...

    Sorry I missed your previous message.
    You should get a lock within two minutes or so, under good conditions (outside or window sill, fair weather).
    It is hard to say what could be causing the delay...
  6. Awesome! Yep there might be slight deviations...

    Awesome!
    Yep there might be slight deviations between positions, but that usually settles down the more sattelites get locked.
  7. No problem :)

    No problem :)
  8. Have you had a look at the pics on the product...

    Have you had a look at the pics on the product pages? I'm not sure how you'd get near the reset button, although you could move the whole board down of course (you might not want to pull the needed...
  9. Thanks for the explanation. I figured they're...

    Thanks for the explanation.
    I figured they're not bound to any standard, but inerested in how CRCs work.
  10. My question came out unclear. The message that...

    My question came out unclear. The message that I'm sending to serial (in my quote above) is actually just a repetition of the incoming message that I'm sniffing on a device's UART.
    I wired the...
  11. This works, thank you! Any idea why they'd have...

    This works, thank you!
    Any idea why they'd have the CRC backwards? Maybe for rev. engineering confusion?
  12. Using http://crccalc.com and entering...

    Using http://crccalc.com and entering 0010059F00004A00 I get CRC-16/XMODEM 0xD50E so it seems correct (only the 8 payload bits are calculated without header A5 5A).
    Because I have no experience...
  13. Could anyone help out with how this library...

    Could anyone help out with how this library works? There's not much to go by in the readme.
    I have this message:



    remoteSerial.write(0xA5);
    remoteSerial.write(0x5A);
    ...
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    It is now possible to boot directly from USB...

    It is now possible to boot directly from USB flash or USB SSD without a uSD card, but the process is non-reversable, iirc.

    Here's a good video on the topic https://youtu.be/ubnwvxF3Klc
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    Hey! Board designer here. Are you sure you have...

    Hey! Board designer here.
    Are you sure you have the Rs pin pulled low?

    You need to add something along the lines of

    pinMode(28, OUTPUT);
    digitalWrite(28, LOW);
    in your code, ideally in...
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    I had no idea about that, thanks guys. SPI makes...

    I had no idea about that, thanks guys. SPI makes sense (brain fart), but is I2C on pte0,1 mapped too?
    Edit: "I2C1: SCL/SDA" awesome
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    Hi Paul, any chance you could map PTE0-5...

    Hi Paul,
    any chance you could map PTE0-5 including both UARTs alternates, I2C and SPI as, say, pins 58-63?
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    I agree, I would first try using one of the basic...

    I agree, I would first try using one of the basic examples with Arduino IDE and Teensy to confirm that the hardware is reading (anything) correctly. If not on your setup, test a different car's CAN...
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    Interestingly, it was using one number repeatedly...

    Interestingly, it was using one number repeatedly the way it should. Then something happened and it began incrementing.

    Now after restart it is working again, but Teensy gets assigned...
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    MacOS Sierra port problem

    This is most likely a problem on my side, just wondering if anyone has any experience with the same quirk.
    Whenever I reset or program/reset the Teensy, the USB port gets a different number...
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    Hi Greg, I had to suspend them because Microchip...

    Hi Greg,
    I had to suspend them because Microchip was doing firmware updates and noone had the modules in stock, but they'll be back shortly since it looks like both US and EU bands are available...
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    I could be wrong, but I think they've stopped...

    I could be wrong, but I think they've stopped doing that. I remember reading about it when I started. Back then there was a lot of fraud going on.

    I would love to order Tsy's directly from you...
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    I have been using PayPal as a seller for 5 years...

    I have been using PayPal as a seller for 5 years or so and never experienced anything similar. Could be because I'm in Europe and they have to adhere to different laws.
    Whenever there was a dispute,...
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    First work on the fuctionality of your board....

    First work on the fuctionality of your board. Panelization is the very last step and requires communication with the board house, negotiating vscore pricing etc. etc.
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    What reason is that? Plenty of large companies...

    What reason is that?
    Plenty of large companies use PayPal. The ones that don't usually just can't accept the fees.
  26. Thread: Custom Teensy3.2

    by Fyod
    Replies
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    Here's a good source I like to refer to ...

    Here's a good source I like to refer to
    http://www.appfruits.com/2015/03/building-your-own-custom-teensy/
  27. I found that the MK20DX128 (Teensy 3.0) is also...

    I found that the MK20DX128 (Teensy 3.0) is also offered in QFN and has all the features I need. (Actually DX256 seems to be made in QFN36 also, but are not stocked anywhere).
    The only problem I see...
  28. Thanks, Paul. I understand the pitfalls, although...

    Thanks, Paul. I understand the pitfalls, although I had luck with the smaller 36pin chip version last time.
    Regarding half memory - is this something that a programmer like me with average code...
  29. I too am planning a future board and wondering if...

    I too am planning a future board and wondering if the MKL26Z128VFT4 could be used.
    Is it a matter of just redefining storage/RAM as a new board or is it more complicated?

    The sketch uses 33Kb...
  30. Wow. Thanks, Paul. I had already had all extras...

    Wow. Thanks, Paul. I had already had all extras removed so I pulled out the magnifier and there was a minuscule splinter of solder/wire along a capacitor.
    Seems to be working great now. Sometimes...
  31. Smoked T3.6, which part(s) most likely damaged?

    Excited to get some stuff working, I forgot to cut the 5V trace with an external supply on VIN.
    I don't want to throw the board out and I'm fine with soldering small parts, but I'm unsure what let...
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    I chose it mainly due to the great documentation...

    I chose it mainly due to the great documentation and support at Microchip. Soon I may also need the parts to be fully certified.



    Should be up on Tindie shortly.



    There's not much to it....
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    Thanks! That one's for RPi and these modules...

    Thanks! That one's for RPi and these modules offer both 433/868MHz, thus two antennas, although 868 is more common.
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    I made a Teensy LoRa board

    There's not much info here on LoRa technology, but I've decided to delve into it and make this little node shield.
    I decided to go with the MicroChip RN2483 for its good documentation. Also added...
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    Has anyone tried implementing the...

    Has anyone tried implementing the wake-on-interrupt feature?

    http://www.invensense.com/wp-content/uploads/2015/02/PS-MPU-9250A-01-v1.1.pdf page 30/31



    This would allow very low power...
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    QFN32 confirmed working with blink example so far.

    QFN32 confirmed working with blink example so far.
  37. Replies
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    Has anyone tried any functions for bitshifting? ...

    Has anyone tried any functions for bitshifting?
    I'm not familiar with how to translate say byte 4, bit 2 and then something with it.
    There was some discussion about it in the other CAN thread, but...
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    Would anyone happen to have any code that resets...

    Would anyone happen to have any code that resets the XYZ axis to 0 upon program start?
    Ie. this would allow the device to not have to be mounted in a certain position to get correct readings...
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    I had my go at this too and added a temp sensor....

    I had my go at this too and added a temp sensor. Going to build a few soon.
    Not yet sure if the 0201 parts were a mistake or not :D

    http://i.imgur.com/PhsH4zkl.jpg
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    Thanks, Paul. I expected this was the case, but...

    Thanks, Paul.
    I expected this was the case, but asking just in case someone had already attempted to test the smaller variant.
    Will follow up with my findings.
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    Thanks for your advice, GW. There are three...

    Thanks for your advice, GW.

    There are three flash/SRAM variants of the chip, three sizes each. I do not need different flash/SRAM, just the different physical size, thus slightly different pinout....
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    Bumpity ;)

    Bumpity ;)
  43. Replies
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    MKL26Z64VFM4 and custom Teensy LC

    I have begun researching making a custom LC (something I haven't done yet) and some woes have popped up and I could use some input.
    For some background - I am making a very low power device...
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    Would you be willing to add some send examples? I...

    Would you be willing to add some send examples? I can't recall if any of the libraries have send examples, I just remember there were lots of questions about sends in the CAN thread. Great job...
  45. TnyGPS backpack for Teensy (all 3.x versions)

    I have had a few requests for a GPS addon for Teensy and it is now available on Tindie.
    It fits directly on top of the Teensy, but can also be breadboarded.

    http://i.imgur.com/tw8BB6tl.jpg
    ...
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    Sweet. Will be interesting to try this out in...

    Sweet. Will be interesting to try this out in some dual bus lines in cars and stuff.
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    Yep, Onehorse.

    Yep, Onehorse.
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    Wanted to share my new handlebar version with you...

    Wanted to share my new handlebar version with you guys

    http://i.imgur.com/WDooekvl.jpg

    http://i.imgur.com/NTjEy9ql.jpg
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    I didn't do TH because the will be mounted with...

    I didn't do TH because the will be mounted with low profile headers and will sit directly on the (metal) SD slot, adding minimum height to the setup. I've never had pads tear off on me, although they...
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    I will have these shields coming in in a couple...

    I will have these shields coming in in a couple days.

    http://i.imgur.com/TAipimP.jpg

    http://i.imgur.com/OVDrZpi.jpg
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