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    That would take all the fun out of it! Not to...

    That would take all the fun out of it! Not to mention the rest of the stuff the teensy is attached to is very expensive. The other hardware justifies my time in making this device theoretically...
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    I use teensy in an outdoor product that is sealed...

    I use teensy in an outdoor product that is sealed in potting. I don't leave access to the USB. Only can bus. I already have firmware updates by can in place but if an update would happen to fail I...
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    Oh! I messed that up. I guess I have some memory...

    Oh! I messed that up. I guess I have some memory chips for the new 4.1

    Dose the 4.1 also have a locked restore program area?
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    Teensy 4.0 Schmatic wrong?

    I bought several windbond spi memory chips based on the part number on the schematic; W25Q64JVXGIM however what came dose not match what's on the teensy board.

    When I looked up the manual the...
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    I know your still busy with the shelter in place...

    I know your still busy with the shelter in place still going on. Just a reminder we are still patiently waiting for this.

    Thanks
  6. Anyone ever use Teensy to update a Esp8266 via serial?

    I was looking for a way to include a esp8266 hex file in my teensy code and make the teensy flash that file to the esp8266 on request.

    It's just a serial upload shouldn't be to hard right?
    ...
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    More info from Paul in this thread about the...

    More info from Paul in this thread about the bootloader.
    https://forum.pjrc.com/threads/57132-Bootloader-Chip-For-Teensy-4-0?highlight=4.0+bootloader
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    I had a spare 3.6 here so I decided to see how...

    I had a spare 3.6 here so I decided to see how hard it was to rework. I used my hot air rework station and took off the chip. Then some flux and cleaned up the pins. Reworked it back on, it works!
    ...
  9. I read somewhere on this Forum Paul saying the...

    I read somewhere on this Forum Paul saying the area is irreversibly set to read-only. Leading me to believe it was written to with the one time write command.
  10. Can you tell me how I can see the registers of...

    Can you tell me how I can see the registers of the W25Q16?
  11. That sector (0x1000 bytes) is locked as...

    That sector (0x1000 bytes) is locked as Read-only. So no it can't be erased or changed.

    See this thread for related information.
    ...
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    I would still like to try doing it myself. Even...

    I would still like to try doing it myself. Even if it means getting a reflow oven.



    In designing the PCB does anyone know the specs on the crystal oscillators?

    Is the 32.768 Khz oscillator...
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    Not sure if this is helpful or not but when I am...

    Not sure if this is helpful or not but when I am dealing with Hex files for 4.0 I used the Arduino ide under Sketch click Export compiled binary. This saves a file to the folder containing that...
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    I understand about the bootloader chip. I still...

    I understand about the bootloader chip. I still want to start designing while I wait. Possibly destroy a 4.0 trying to move the boot chip and 1062 to the prototype PCB.
    I guess ill have to do the...
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    Soldering custom PCBs with 4.0

    I was looking to start designing my own 4.0 PCB design but wondering if the iMXRT1062 chip is something that can successfully be soldered on with a hot air rework station only to do a prototype?

    I...
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    Yes that would work if I was willing to leave the...

    Yes that would work if I was willing to leave the USB exposed.
    I fully understand I'm creating my own problem here. But what I'm after is a fully programmable and recoverable 4.0 with no USB input...
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    In my case I'm using can bus to reflash not the...

    In my case I'm using can bus to reflash not the usb. Im also not leaving the usb exposed. So my sketch erases the portion of flash then copys my new file in. During this erase reflash time is when I...
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    Great information Paul. Thanks!

    Great information Paul. Thanks!
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    The erase and copy is several seconds long. A...

    The erase and copy is several seconds long. A power issue during this time period could cause issues right?
  20. Paul & Robin; just wanted to say thank you for...

    Paul & Robin; just wanted to say thank you for all your doing and have done! Keep up the good work, stay safe and healthy! Looking forward to supporting you with an order when the 4.1 is available! ...
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    Thanks for the reply Kurt I'll look into that. I...

    Thanks for the reply Kurt I'll look into that. I think that's beyond my skill level but I kind of understand what your saying.

    I keep thinking about this Restore program. I was thinking sooner or...
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    Thanks, Frank, I do check my upload. But things...

    Thanks, Frank, I do check my upload. But things happen and I would like a way to recover if something happens.
    Trying to avoid bricking my several hundred dollar gizmo.
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    When I was playing with it I could increase the...

    When I was playing with it I could increase the size to 0x50000 but I kept it at 0x40000 (256 * 1024) and just copied 0x40000 or less at a time until I filled half the available memory 0xF8000.
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    4.0 Restore Program Question

    Recently with help here, I was able to build a program that update's the 4.0 from can instead of USB. So far it is working extremely well with only 2 downsides that I'm aware of.

    1. I can only...
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    Yes and thanks to you, jonr and all the other...

    Yes and thanks to you, jonr and all the other contributors! This would not be possible on my own!




    In my mind, the lower was the higher number but I see now that I was wrong. I took the...
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    What I have been able to do it write a sketch...

    What I have been able to do it write a sketch that uploads via can a new sketch to the lower half of the memory. Using checksum's as its loading and once completed checked for data integrity again. ...
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    I was able to build a sketch that copies the top...

    I was able to build a sketch that copies the top half of the memory to the bottom half perfectly.
    I know how to erase the top half but how do I make it jump to the lower half and run after that?...
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    Sebastian, Thanks first off for the...

    Sebastian,

    Thanks first off for the response. I do not want something handed to me that I know little about. I want to learn my way through it.

    I will look at...
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    I've been trying to make this work for a few...

    I've been trying to make this work for a few days.
    I want to eventually send a hex string through can to update the t4 but for not just to try and understand it I'm using a t3.6 to send the intel...
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    I had a chance to play with it today. Very...

    I had a chance to play with it today. Very Awesome! Thanks again for sharing this with us!

    One thing I noticed is the msg.flags.overrun never changes from 0 even when I push more messages then it...
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    Thank you very much tonton! Looking forward to...

    Thank you very much tonton! Looking forward to giving it a try! This will work on the 3.2 and 3.6 also correct?
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    Is there a Example on how to use Interrupts with...

    Is there a Example on how to use Interrupts with that Library?
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    4.0 Flexcan with Interrupts Library

    Hi, I'm wondering if the 4.0 has a Flexcan with Interrupts library available yet? I'm Just looking for Can 2.0, not FD.


    Enjoying a Collin Flexcan Library for 3.6 with Interrupts, and wanting...
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    Teensy 3.6 Eagle files?

    Dose anyone have a eagle file for the 3.6 that looks something like the big board posted here (Picture farthest down that page) https://www.pjrc.com/store/ic_mkl02.html

    Thought I would ask before...
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    Any Ideas When this will be brought to market....

    Any Ideas When this will be brought to market. Estimates? Yet this Year?

    Thanks for everyone doing all the work to make this happen!
  36. 3.6, Writing to a USB memory stick possible yet?

    On teensy 3.6 with 2nd USB capabilities.
    Is there a library to write a simple .txt file to a USB memory stick yet?
  37. Replies
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    I just got my teensy 3.6 yesterday and was able...

    I just got my teensy 3.6 yesterday and was able to hook it up and test it.

    It works flawless with the example eco code given. Only change I made was bus speed to 500bps

    1250 messages per...
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    PCB Assembly

    Are there any Good low volume PCB Assemblers for the hobbyist?
    How about PCB manufacturers?
    Any company's do both?


    Thanks
  39. Replies
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    Teensy 3.6 Dual FlexCan Capabilitys

    I'm looking to use a 3.6 for its dual can capability.

    I'm working on a project that would split a existing can bus and put this teensy in between. Then making the teensy Eco messages from one bus...
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    Looks like several people like OSHPARK for pcb...

    Looks like several people like OSHPARK for pcb fabrication. Anyone have any recommendations for a pcb assembler?
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    FlexCanRead to Serial

    Thought I might try and contribute what I can.

    For us simple minded this might help people get started with FlexCan.

    This very basic example reads data from a 500k bus and prints it to the...
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    Specifically a bitmap or video file.

    Specifically a bitmap or video file.
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    Teensy 3.5 3.6 S.D. Card

    If I used the 3.5 or 3.6 with a SD card if I embed the components with only a USB hanging out can I load file to the SD via the USB cable?
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    So I looked through the library and notice...

    So I looked through the library and notice separate setclip code for each function. So I decided to try another route. I tried it with actual text instead of fillscreen. Works perfectly.

    Now my...
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    Fresh download of arduino 1.6.11 Teensy loader...

    Fresh download of arduino 1.6.11
    Teensy loader 1.30
    Windows 10 PC

    tft.setClipRect (x,y,w,h);
    tft.fillScreen (ILI9341_WHITE);


    Still not operating correctly.
  46. Replies
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    Here is what I will do later today. I'll delete...

    Here is what I will do later today. I'll delete arduino and teensy. Start over with a fresh download of both.

    I'll delete the included ILI9341_t3 library.
    Redown load the above library and see...
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    Also blackketter the setclipRectangle behaves...

    Also blackketter the setclipRectangle behaves very weird.

    For example,
    tft.setClipRect (150,10,10,15);
    tft.fillscreen (ILI9341_WHITE);

    The above shows me on the screen where the area is that...
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    Using blacketters above library. Both of those...

    Using blacketters above library.
    Both of those suggestions don't complile.

    Also tried tft.setFont (Adafruit);

    Didn't work.
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    Anyone know how to get back to the original font...

    Anyone know how to get back to the original font after calling a different font?
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    Also how to I go back to the default font? ...

    Also how to I go back to the default font?

    tft.setfont ();

    Won't compile.
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