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Type: Posts; User: jrraines

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    Huh. I can still see it and my son watched it....

    Huh. I can still see it and my son watched it. I'm new to youtube but I thought it was hard to find but public.
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    I was inspired by this project to make something...

    I was inspired by this project to make something to appeal to my grandson. Thanks for all the hard work that made my job easy!

    https://www.youtube.com/watch?v=fK1i3N29YwI




    #include...
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    I just ran the "timeTeensy3" example on a Teensy...

    I just ran the "timeTeensy3" example on a Teensy 4.0 with teensyduino 1.52 beta4. I was expecting the off by one hour error to be gone, but I still see it. I am on a Mac with Catalina.20098
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    It looks to me like instructions for building all...

    It looks to me like instructions for building all the versions of teensytransfer (on an ubuntu system) are in the makeall.sh file included in the zipped download--presumably adding one target (I...
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    I used another Mac on an older OS and...

    I used another Mac on an older OS and teensytransfer worked properly.
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    On my mac, running Catalina, I get ...

    On my mac, running Catalina, I get
    raine001@John-Raines-19 ~ % /Users/raine001/Downloads/teensytransfer -i
    zsh: bad CPU type in executable: /Users/raine001/Downloads/teensytransfer...
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    Thanks--that should help!

    Thanks--that should help!
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    So if I drive the 74AHCT1G08 low it can carry the...

    So if I drive the 74AHCT1G08 low it can carry the current from the other one that is at 5V?
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    Electrical question

    I was inspired by the cuckoo clock posted on the blog. I have a very old cd drive tray mechanism, which I stripped down to just the part that moves the tray in an out. 5v applied in one direction...
  10. Thanks. That makes it clear.

    Thanks. That makes it clear.
  11. 19713 I obviously haven't followed the...

    19713

    I obviously haven't followed the instructions correctly. My computer says the USB port is drawing too much power if I put in the battery in the orientation shown in the photo. Everything...
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    but after 7 minutes the t3.6 is still keeping...

    but after 7 minutes the t3.6 is still keeping time. Not what I'd expected, glad I ran the sanity check.

    One more thing, I plug the t4 back in:
    RTC has set the system time
    0:00:01 1 1 2019...
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    Recompiled once more on the t4 at ~6:24AM RTC...

    Recompiled once more on the t4 at ~6:24AM

    RTC has set the system time
    5:23:51 13 4 2020
    5:23:52 13 4 2020
    5:23:53 13 4 2020
    5:23:54 13 4 2020


    Plugged in the t3.6 I'd programmed yesterday:
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    OK, the t4 (unmodified, as it came from pjrc) ran...

    OK, the t4 (unmodified, as it came from pjrc) ran the TimeTeensy3 for >13 hours w/o problem other than being 1 hour off at the outset.

    /*
    * TimeRTC.pde
    * example code illustrating Time...
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    Sometimes I feel like I'm totally incompetent. I...

    Sometimes I feel like I'm totally incompetent. I keep finding:
    https://github.com/PaulStoffregen/Time/blob/master/Time.cpp etc.

    but I don't see any reference to Teensy3Clock.set() in the code...
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    FWIW I tried a t4 and that got past the 5 minute...

    FWIW I tried a t4 and that got past the 5 minute mark, although I compiled right at 15:00 and it started with time 14:00. I recompiled at 15:08 and it said 14:08, so it wasn't some fortuitous glitch...
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    So would it run for a few billion seconds (rather...

    So would it run for a few billion seconds (rather than 5 minutes) just by setting
    static uint32_t syncInterval = 0x2FFFFFFF; ?

    a clock that craps out after 5 minutes seems of minimal use. It...
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    I think that part is...

    I think that part is https://www.digikey.com/products/en?keywords=H126097CT-ND and...
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    I think that part is...

    I think that part is https://www.digikey.com/products/en?keywords=H126097CT-ND
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    I have essentially no surface mount soldering...

    I have essentially no surface mount soldering experience, but I thought I would add a couple of comments for others in my situation. 402 sized components are so small that I would call them 'dust'....
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    There is a picture of the card that comes with...

    There is a picture of the card that comes with the T4 here
    https://www.pjrc.com/store/teensy40.html PWM pins are labeled in pink.
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    It seems to be working better after I increased...

    It seems to be working better after I increased the number of samples. If time to charge the capacitor is a factor that makes a lot of sense: it does several samples in rapid succession and gets a...
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    I had 1" foil so the pad is about 1' square. 1.15...

    I had 1" foil so the pad is about 1' square. 1.15 didn't work through the hat but 1.1 did.

    I had that spurious activity last night after it ran 5-10 minutes. I left it running (with the default...
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    I used touchablePin and it is back to working for...

    I used touchablePin and it is back to working for a while. I just implemented the spiral effect so far. I do have to touch the pad directly, it doesn't work through the hat felt. The program doesn't...
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    Thanks I will give it a try!

    Thanks I will give it a try!
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    That library sounds like just what I was trying...

    That library sounds like just what I was trying for! Do you physically touch it or just come close (i.e. will it jump by 1.5x on the other side of a layer of hat felt?)

    I'm worried that this bug...
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    Ick

    14912

    Unfortunately the program is BIG. The way that output got interrupted in the midst of a print statement and then trashed a global variable makes me think interrupt is involved, although I...
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    So the reading on one pin changed by about 60...

    So the reading on one pin changed by about 60 without any proximity or touching change and the other pin reads about 85 units different from the one I looked at most closely.

    I'm uneasy with the...
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    The baseline max reading I got for spiral was 800.

    The baseline max reading I got for spiral was 800.
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    Not understanding touchRead

    Last year I did something similar to https://learn.adafruit.com/animated-electronic-eyes-using-teensy-3-1/bowler-hat. Halloween is coming and I was going to play with this concept some more. A simple...
  31. Thanks

    Thanks for posting this! I'd installed a clean arduino package, teensyduino w/o graphics and used the arduino library manager to get the 'latest' adafruit graphics drivers and was unsure where to...
  32. I am on arduino 1.6.12 and the beta2 teensyduino...

    I am on arduino 1.6.12 and the beta2 teensyduino and I do have reset line hooked to pin 7.

    it is good to hear you can talk to the display at 180

    With CPU 96mHz I did manage to get it to reboot...
  33. I suspected the 2000000 came from that sort of...

    I suspected the 2000000 came from that sort of thinking. seems like it would be better practice to use a symbol, of course.

    So far, for me, the display on the teensy 3.6 uploads and runs...
  34. another troubling thing I see (and this may be...

    another troubling thing I see (and this may be taken care of inside SPI, I'm not sure) is that in ILI9341_t3.cpp, most calls to SPI begin transaction look like this:
    ...
  35. I recently tried to get graphictest going with...

    I recently tried to get graphictest going with teensy3.6, starting with CPU clock at 180, found that not to work. I've been working my way through this long thread but one thing that seems clear from...
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    I think you can download what I did with this...

    I think you can download what I did with this from https://dl.dropboxusercontent.com/u/62505002/TFTTeensy.zip
    Note that the photos show the reset line connected in a way that did not actually work...
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    Thanks for your prompt response. You must really...

    Thanks for your prompt response. You must really get up early. I did get that approach to work. I tested turning my samsung TV on and off with the code the IR receive fcn read adn the ir send fcn...
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    IR/alternate pin musings

    I have been playing a bit with IR remotes. I have the adafruit2.8"TFT touch breakout already connected to the teensy and an IR receiver on pin 3. The TFT uses port D pins 0-7 for its data bus...
  39. Thread: Noob question

    by jrraines
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    Thanks. That actually helped a lot. I've been...

    Thanks. That actually helped a lot. I've been playing with an Adafruit TFT touch screen display, running several different programs on it. The problem goes away when I remove the wire I installed...
  40. Thread: Noob question

    by jrraines
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    Noob question

    When I attach the teensy to my computer and download code it runs fine. When I remove power and then hook it up again the flashed program is not restarting. Is there a procedure to get the teensy3 to...
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    I got this going as well thanks to your guidance....

    I got this going as well thanks to your guidance. While I was fiddling with the pinouts etc. in pinmagic, I did a couple of other things, in Adafruit_TFTLCD:
    so that the color names don't have to be...
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