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    Just a couple of quick comments. 1. As...

    Just a couple of quick comments.

    1. As @KurtE pointed out if you want to use a T4 you have to change from using i2c_t3 to the normal Wire library. Otherwise it will never compile.
    2. The...
  2. Just reran the sketch and got the exact same...

    Just reran the sketch and got the exact same results as I Posted prior: 432Mhz using:

    #elif defined(__IMXRT1052__) || defined(__IMXRT1062__) // Teensy 4.x
    #define ILI9341_SPICLOCK 60000000u ...
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    I think this is an equivalent version:...

    I think this is an equivalent version:...
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    Well, if the scanner is not identifying the...

    Well, if the scanner is not identifying the BMP280 the only possibilities I can think of are:
    1. You wiring is wrong - you didn't show the pinouts for the board or your wiring connections
    2. You...
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    Thanks to @KurtE, Autocenter is now operational...

    Thanks to @KurtE, Autocenter is now operational for the ILI9341 and the GFX fonts as well. Enjoy.
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    I don't see any pin outs on the board - are you...

    I don't see any pin outs on the board - are you sure you have the right connections to sda/scl
  7. @skpang Haven't really used the Adafruit library...

    @skpang
    Haven't really used the Adafruit library so no sure. But have you tried the ST7735_t3 library that is installed with Teensyduino. SPI Clock is set in one place, ST7735_t3.h, right at the...
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    @neurofun - @KurtE Just pushed a fix for...

    @neurofun - @KurtE
    Just pushed a fix for autocenter. Let me know if you still have problems. Right now autocenter will only work for default fonts.
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    Will check it out. Thanks for testing

    Will check it out. Thanks for testing
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    ILIXXX Fonts and GFX Fonts for RA8875

    Recently @KurtE and I have been working on a modification of the RA8875 library to use the ILI9xxx fonts and Adafruit GFX fonts. We have finished our initial implementation of modifications to the...
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    @tannewt I had a chance to install the .hex on...

    @tannewt
    I had a chance to install the .hex on the T4 the other day using the Teensy Loader to upload the file on a Windows10x64 PC. After upload Windows install it as a new drive and I was able to...
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    Sticky: Just installed on a Windows10x64 with no issues. ...

    Just installed on a Windows10x64 with no issues. Ran a few sketches that I was just working on: RA8875 and ILI9488 and both uploaded and worked with no problems.

    Also checked the BNO080 and...
  13. Gave it a try on the T4/ILI9488 combo with the...

    Gave it a try on the T4/ILI9488 combo with the following results:

    CS:10, DC:9 RST:8 MOSI:11, SCLK:13 MISO:12
    ILI9488_t3n: (T4) SPI automatically selected



    MOSI:11 MISO:12 SCK:13
    ...
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    Thanks for pointing me to it - still on first cup...

    Thanks for pointing me to it - still on first cup of coffee and eyes have closed. Will take a look. Maybe a improvement that can be made to circuit python in the future.
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    @tannewt One of the things I like about the T4...

    @tannewt

    One of the things I like about the T4 is the ability to overclock if I want directly from the sketch.

    Poking around your repository, there's a lot there so probably missed it, it...
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    @manitou Thanks for the explanation. Will...

    @manitou
    Thanks for the explanation. Will probably have to pick one of the up at some point - too many things on the to do list right now to start playing with that one. Still not sure which way...
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    Thanks. I posted as a comment on the video how...

    Thanks. I posted as a comment on the video how it was done so this answers that question. Did you see Paul's comment on the last 4K of memory: ...
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    Really cool project - looking forward to when...

    Really cool project - looking forward to when they publish it :)
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    Heres a couple of other references and one new...

    Heres a couple of other references and one new one:
    https://github.com/ethz-asl/kalibr/wiki/IMU-Noise-Model

    https://www.novatel.com/assets/Documents/Bulletins/APN064.pdf
    ...
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    @WMXZ Thanks for posting that - used that as...

    @WMXZ
    Thanks for posting that - used that as reference in the past but couldn't find the link!
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    Hi tom The magnetometer is suppose to compensate...

    Hi tom
    The magnetometer is suppose to compensate for the drift not noise. In the past I have put a butterworth type filter on the gyro which seemed to help.
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    Don't think its a PJRC problem. The Madgwick...

    Don't think its a PJRC problem. The Madgwick algorithm is a standard algorithm used for AHRS. Not sure why you are seeing spikes. You can also try running the Mahoney algorithm and see if you get...
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    @starman360 Nice work. Challenging to put...

    @starman360

    Nice work. Challenging to put something like this together :) You may want to also check this library out: https://github.com/mjs513/Teensy-4.x-Quad-Encoder-Library. There is a...
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    This one is floating out there as well: ...

    This one is floating out there as well: https://github.com/XenGi/teensy_library - not mine and I have been using an older version - looks like he updated it for the T4 recently
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    Interesting thing is that they already have a...

    Interesting thing is that they already have a port of micropython for Teensy 3.x series: https://github.com/micropython/micropython/wiki/Board-Teensy-3.1-3.5-3.6. Haven't tried it.

    As for the...
  26. That makes sense. When I set the decoder to...

    That makes sense. When I set the decoder to 12Mbs I was getting packet errors on D-, but still got data on D+. When I set it to 1.5Mbs it worked no problem
  27. @KurtE I used one of Pauls breakout boards with...

    @KurtE
    I used one of Pauls breakout boards with a LA8 using the old version of their app. I attached my SpaceNavgator Mouse and selected 1.5Mps USB decoder. I attached the clips direct to D+ and...
  28. @KurtE I noticed the same thing but kept...

    @KurtE
    I noticed the same thing but kept forgetting to post so I can confirm.

    Would think they are acting similar to the T3.6. On the circuits I use those pins just go to a TPS2055A for current...
  29. @KurtE Of course you are right but I keep...

    @KurtE
    Of course you are right but I keep forgetting about the T3.2 having no framebuffer. So use to working with the T4 at this point with graphics
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    Couldn't have said any better than @luni

    Couldn't have said any better than @luni
  31. @joey120373 ran a couple tests timing tests...

    @joey120373

    ran a couple tests timing tests on the first scroll area using a T3.6 (don't have a T3.2 handy) with the delay(100) removed:

    No-FrameBuffer: 3.316 seconds
    With FrameBuffer: 0.918...
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    Very cool. One thing I noticed is that it needs...

    Very cool. One thing I noticed is that it needs the tinyUSB stack but there is a uf2 bootloader>which not sure how that works with the T4 bootloader?
  33. @MichaelMeissner Looks like it will lots of fun...

    @MichaelMeissner
    Looks like it will lots of fun - just looked it up on google :) Funny thing is I used to go boston and stay at the Westin all the time before I retired so I know it well. Too bad...
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    Sorry for the delay in answering this but there...

    Sorry for the delay in answering this but there are a few that I like. Think my favorite was the MPU6050/HMC5883 combo, next was the MPU9250 and the next was the Propshield.
  35. If you do a search in the forum for the MLX or...

    If you do a search in the forum for the MLX or thermograph you will find a couple of projects that may help:
    ...
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    @defragster Think you needed that code only when...

    @defragster
    Think you needed that code only when you are using a hub or that Oricon hub with the embedded drive. I just ran my SSD and saw about the same as @KurtE using 8K buffer:

    Writes: 5-9...
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    @wwatson Yep that's what I was doing when I got...

    @wwatson
    Yep that's what I was doing when I got the error. However the Issue seems to be cleared up when I reinstalled the IDE and Beta4. So its is working on the t4.
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    @defragster - @wwatson Just downloaded fresh...

    @defragster - @wwatson

    Just downloaded fresh copy of 1.8.10 and a fresh copy the beta4. The test sketch now runs without a problem and the LED it blinking properly. For the Cruz disk:

    Test...
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    @wwatson Something indeed strange. Just...

    @wwatson
    Something indeed strange. Just downloaded fresh copies of both libraries and retested on a T3.6

    Cruz 4GB drive:

    Test logger_RawWriteRead>Write

    Test logger_RawWrite
    ...
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    Ok. Just loaded my cruz 4gb memory stick and it...

    Ok. Just loaded my cruz 4gb memory stick and it hung right after it created the file name like it did with the SSD. If I load up my drive info sketch it does recognize the drive properly:

    Test...
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    This is funny. After @KurtE's post went back and...

    This is funny. After @KurtE's post went back and seems to be hanging on me after it creates the first file:

    Test logger_RawWriteRead>Write

    Test logger_RawWrite

    uSDFS_VER:30_Jun_19_07_17
    ...
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    Morning @KurtE See my previous post #366 => Have...

    Morning @KurtE
    See my previous post #366 => Have to run the logger_RawWrite sketch first in the uSDFS example folder. Ran into same issue
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    @defragster Yeah - had the same problem. ...

    @defragster
    Yeah - had the same problem. Figured out that you have to run logger_RawWrite_FS sketch first then run the read speed sketch. Then I will get with an SSD:

    Test logger_RawWrite
    ...
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    Thanks Paul. Good to know if I ever have to do...

    Thanks Paul. Good to know if I ever have to do some trouble shooting. If I remember right you taught me some about using a scope on i2c during some debugging on an Arduino issue years ago :) Guess...
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    @PaulStoffregen If I am looking at the circuit...

    @PaulStoffregen
    If I am looking at the circuit right you have a resistor going from gnd to 3.3v on one side and a diode from the gnd to gnd. Why - power filter vs using a CAP? I can read the...
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    @KurtE Well yes and no. The lib is capable of...

    @KurtE
    Well yes and no. The lib is capable of using external fonts contained in ".c" files. When you are ready here are some links, putting it here now so I don't forget:
    ...
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    @KurtE Ok - got curious again about fonts on the...

    @KurtE
    Ok - got curious again about fonts on the RA8875 and if we could do the same thing as we did with the ILI9341/9488. So I started looking at it in depth and looks like its very possible. I...
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    Well believe it or not if you look close at the...

    Well believe it or not if you look close at the calls inputting a declination angle and getting pressure data is already in there.

    1. Declination:
    in the sketch you will see:

    maghead =...
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    Good to know that it works, never tried it. ...

    Good to know that it works, never tried it.

    Out of curiosity l did a quick test and looks like with some effort you could get the RA8875 to use Adafruit fonts, etc. Going to put it on to do list.
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    Well understand that the orientation.ino sketch...

    Well understand that the orientation.ino sketch is meant to be used with the associated processing sketch. The calibration GUI with the propshield is only set up to do Magnetometer never got updated...
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