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Type: Posts; User: kito

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  1. Replies
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    USB C connector for more power to power stuff,...

    USB C connector for more power to power stuff,
    More ground pins for better SI return paths,
    I dont like using pogo pins to get at extra pins,
    As an idea use tighter pitch connectors on new teensy,...
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    The encoder returns integers so the 1st issue...

    The encoder returns integers so the 1st issue your not going to get floating point. To debug I would print the TempSel.read(); every time it changes and print the read values without subtracting to...
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    I figured u guys could get a good laugh at my...

    I figured u guys could get a good laugh at my expert soldering skills and my total commitment to cleaning flux of my board.

    17288
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    @mjs513 your script work on my setup too. ...

    @mjs513 your script work on my setup too. Thanks.

    I debugged you code vs my example and it seems the baud rate was the issue. The baud rate should be AFTER the begin() method.
    I tried setting...
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    Ok, so I just toggled pin22 in a loop to create a...

    Ok, so I just toggled pin22 in a loop to create a 1.1mhz clock on (CTX1) high and low using digital write in a loop. I see it go high and low, I also see RX path going high and low back on pin 23. ...
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    I'm using two IFX1050GVIO chips. I have it on...

    I'm using two IFX1050GVIO chips. I have it on bread board with just bread board wires. I currently do not see any data coming out of teensy TX pin so I'm not sure if it matters to see the mass ball...
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    Thanks Your right it switched the board type...

    Thanks Your right it switched the board type after install. Ok it compiles fine now but same result. I scope to tx and rx pins at both CAN1 and CAN2 and they a driving static hi level while the...
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    Hi, I downgraded to 1.47 beta5. I was on...

    Hi,

    I downgraded to 1.47 beta5. I was on release. I started on release and cloned the FlexCAN_T4 repo so I dunno if this is related.

    Anyways, I get an error during compile for beta5:...
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    Hi, Thanks for responging. >Can you try that...

    Hi,
    Thanks for responging.
    >Can you try that test on 1.47beta5 teensyduino?
    Ok will try it out.

    >do you have resistor 120 ohm on the line?
    yes have two IFX1050GVIO transievers hooked...
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    Is it possible to include a simple test example for this.

    Hi,

    Is it possible to include a simple test example for this? I tried to use the example from existing FlexCan but I see no read data. So I found during debug there is no output on the TX pin...
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    +1 vote for board outline drawing official on the...

    +1 vote for board outline drawing official on the web site. It amazes me how good the Teensy hw and sw is, but then buries it under their horrible website, or simply doesn't document it.
  12. Thread: My i2c sniffer

    by kito
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    Thanks for the note. Its been so long I chuckled...

    Thanks for the note. Its been so long I chuckled to myself when I saw the forum update me. Actually one thing to note is that I think the code I originally reads SCL as pin 18 and SDA pin 19 and...
  13. Hi bboyes, Thanks for the explanation and links.

    Hi bboyes, Thanks for the explanation and links.
  14. Hi I have some noob questions. Q1: What is...

    Hi I have some noob questions.

    Q1: What is the purpose of the 100ohm resistor for the LED pin on the pjrc store page? Do I damage the display if I direct connect the LED to VIN supply? Is the...
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    Thanks KurtE. So basically SetCS (pin) sets...

    Thanks KurtE.

    So basically SetCS (pin) sets a mux so the IO pin takes on the alternative function CS and its pin returns the PCS mask. I find it misleading however that there is no support for...
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    When to call SPIClass::setCS()

    Does anybody use the hardware CS feature? The documentation on hardware CS function is unclear as all the examples just manually control CS.
    Is it proper to call SetCS() before or after SPI.begin()...
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    Ok thanks alot guys. I purchased a few 3.6...

    Ok thanks alot guys. I purchased a few 3.6 boards to play around with, but if I had to make a decision today I would stick with teensy 3.2 despite all the advancements in the 3.5/3.6 boards. I sure...
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    Teensy 3.5 and 3.6 status

    Hi,

    Wow! I have not checked in awhile and I see two interesting teensy 3.5 and 3.6 boards. Christmas is early.

    I am looking at a new project which I need to control an I2C and SPI bus which...
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    My teensy 3d printed case

    Hi,

    I always wanted to get a 3d printer, but I have no time nor space to do it. So I hired somebody to do it for my teensy.
    I have been toying the idea to replace my sluggish PC usb to i2c...
  20. Thread: Security question

    by kito
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    Thanks. Does anybody have some real world...

    Thanks. Does anybody have some real world experience with protecting the program memory on a teensy. My guess is this is not something end users should do directly since the bootloader is probably...
  21. Thread: Security question

    by kito
    Replies
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    1,056

    Security question

    How secure is the teensy? I was wondering how easy would it be for somebody to copy a program flashed in a teensy and copy it to another teensy from an IP protection point of view. Can you prevent...
  22. Thread: My i2c sniffer

    by kito
    Replies
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    2,178

    My i2c sniffer

    I am sharing my I2C sniffer I made for my teensy 3.1. You can basically attach your teensy to an I2C bus SCL0(pin19)and SDA0(pin18) and it will dump out the i2c commands to the serial port.

    The...
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    how can I make an I2C sniffer

    Hi,

    I made a simple i2c program to sniff 2 IO inputs looking for a START condition. Once it sees the START it then records changes on the 2 pins in a tight loop. When it sees the STOP condition,...
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    Yes I did that. I see all my i2c devices when...

    Yes I did that. I see all my i2c devices when the timeout is set. Using the scanner without it will hang somewhere in the i2c_t3 library. No output and the led stay lit.

    Are you saying you can...
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    Request fixing the scanner example

    Hi nox771,

    The i2c scanner example hangs. I'm not sure who is responsible for the scanner example, but if I use the i2c_t3 library, the app hangs on two teensy 3.1 devices that I use and another...
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    I just debugged the same issue.

    I just debugged the same issue for another new user. I'm gonna ask the developer to fix the example because it makes it newbie unfriendly to hang like this. I added the following command to the...
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    Yes this change log info would be verbose. I...

    Yes this change log info would be verbose. I mainly wanted some way to know which version was installed on the PC.
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    A text file containing the teensyduino revision...

    A text file containing the teensyduino revision and change log. I could not find one on my windows install.
  29. Hi immortalSpirit, I'm newbie to tweensy and...

    Hi immortalSpirit,

    I'm newbie to tweensy and K20 chip. This post was very useful. I trying to learn more. Maybe I'm completely wrong here, but I disagree with one of the statements. The...
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