Forum Rule: Always post complete source code & details to reproduce any issue!

Search:

Type: Posts; User: gimpo

Page 1 of 2 1 2

Search: Search took 0.00 seconds.

  1. Replies
    62
    Views
    6,476

    Yes, I detached/cut completely the cap using...

    Yes, I detached/cut completely the cap using small scissors. Nevertheless, the Teensy stays dead, the Arduino IDE say that there is no device attached to the USB cable. :(
    I'm using a no-polarized...
  2. Replies
    62
    Views
    6,476

    On the fly: I tried to re-program a Teensy 3.2...

    On the fly:
    I tried to re-program a Teensy 3.2 via the USB cable after a 0.1 uF capacitor was soldered on the reset pin. The Teensy seems now dead (no led light, no output on the attached TFT...
  3. Replies
    62
    Views
    6,476

    Ok, thanks a lot for the precious information!

    Ok, thanks a lot for the precious information!
  4. Replies
    62
    Views
    6,476

    So why people struggle in setting the flash...

    So why people struggle in setting the flash security byte???
    (For my needs, preventing my sketch-software from cloning via the USB plug would be enough, since everything, but the USB connector, is...
  5. Replies
    62
    Views
    6,476

    Do you mean in any case, or just when the cap is...

    Do you mean in any case, or just when the cap is soldered on the reset pad?
  6. Replies
    62
    Views
    6,476

    @Paul thanks, I will order some of those...

    @Paul
    thanks, I will order some of those components with "open drain", and do some tests when I will be back from Italy

    @thereminggenieur
    the minimu reset delay provided from manufacturers is...
  7. Replies
    62
    Views
    6,476

    Actually, on Mauser I have found a lot of...

    Actually, on Mauser I have found a lot of "supervisor circuits" realized by PTH components, with just three pins. Here my selection based upon the threshold voltage (2.9 volt):
    ...
  8. Replies
    62
    Views
    6,476

    Found! Thanks. I will give it a try....

    Found! Thanks.
    I will give it a try. Unfortunately I will not able to test it until the middle of July, since my motorcycle will be transported to Italy tomorrow...
  9. Replies
    62
    Views
    6,476

    Yeah, seems that you won. I have to migrate...

    Yeah, seems that you won. I have to migrate (although partially) to the SMD world. Now all I have to do is finding a device able to miniaturize myself to be able to handle those little components for...
  10. Replies
    62
    Views
    6,476

    Cannot find any file containing that text in the...

    Cannot find any file containing that text in the folder arduino-1.8.8/hardware/teensy/avr/cores/teensy3/
    I'm missing something?
  11. Replies
    62
    Views
    6,476

    PTH or SMD, things don't change they are just on...

    PTH or SMD, things don't change they are just on a different scale.
    A lot of hobby-makers simply do not have money to design and build complete product to specifically fit their needs and sizes...
  12. Replies
    62
    Views
    6,476

    Hi defrag, what source code file I should...

    Hi defrag,

    what source code file I should check?
  13. Replies
    62
    Views
    6,476

    Hallo, your proposal would be applicable if...

    Hallo,

    your proposal would be applicable if only I could have the necessary space to solder all of that components. Unfortunately I'm still using PTH components soldered one by one.
    I think also...
  14. Replies
    62
    Views
    6,476

    There is no "all-in-one" component available on...

    There is no "all-in-one" component available on the market that provide the "power good" functionality?
    I mean, something with a built-in prefixed threshold (3.3 or 5 volt) that can be put in the...
  15. Replies
    62
    Views
    6,476

    Update. After adding the capacitor, the Teensy...

    Update.

    After adding the capacitor, the Teensy 3.2 seems no more re-programmable via USB (IDE 1.8.8 + Teensyduino 1.45):


    Teensy did not respond to a USB-based request to enter program mode....
  16. Replies
    62
    Views
    6,476

    Hi Paul, so a Teensy 3.2 owner like me should...

    Hi Paul,

    so a Teensy 3.2 owner like me should have not significant improvements by upgrading Teensyduino from version 1.45 to 1.46, right?

    Another question:
    after adding the capacitor between...
  17. Replies
    62
    Views
    6,476

    The LM2597N-3.3/NOPB...

    The LM2597N-3.3/NOPB converter has a pin called "error flag" that seems very similar to a "PGOOD" pin:

    Open collector output that provides a low signal (flag transistor ON) when the regulated...
  18. Replies
    62
    Views
    6,476

    Thank you guys for all the infos. Seems that...

    Thank you guys for all the infos. Seems that Teensy lovers never sleep... :D
    I will check those intriguing threads.

    @Theremingenieur:
    where I can can find one of that so delicious voltage...
  19. Replies
    62
    Views
    6,476

    P.S. I really hope that a future version of...

    P.S.

    I really hope that a future version of the Teensy 3.2 will provide a Reset pin, not just a pad on the rear side. Desoldering the Teensy to add the cap was a total PITA!
    (I know that there is...
  20. Replies
    62
    Views
    6,476

    I revamp this old thread just to say that adding...

    I revamp this old thread just to say that adding a capacitor between the reset pad and ground solved my boot-problem too (Teensy 3.2).

    My Teensy was starting flawlessly when

    1. powered by the...
  21. Replies
    27
    Views
    4,195

    No news about resetting the Teensy 3.x via...

    No news about resetting the Teensy 3.x via software?

    My Teensy 3.2 is equipped with a TFT screen. My idea is to propose to the user a menu option that allows to reprogram the Teensy.
    When user...
  22. Replies
    27
    Views
    4,195

    Very interesting. That would be a "game changer"...

    Very interesting. That would be a "game changer" for me and my needs.
  23. Replies
    27
    Views
    4,195

    You're inspiring bad ideas in my mind... :D What...

    You're inspiring bad ideas in my mind... :D
    What if I connect that pad to an output pin of Teensy itself? What happens with an instruction like "digitalWrite(LOW)" executed on that pin???
  24. Replies
    27
    Views
    4,195

    Pressing the button always unlock the lock? For...

    Pressing the button always unlock the lock? For this reason is necessary to force the complete erasure of the flash? To prevent malicious reading of the uploaded code, yes?



    It happens at the...
  25. Replies
    27
    Views
    4,195

    Thanks Paul and defragster for the answers. ...

    Thanks Paul and defragster for the answers.


    Definitely it is.
    Take in account that a lot of people (like me) come from previous experiences with Arduino. This can lead to some misunderstandings...
  26. Replies
    27
    Views
    4,195

    I revamp this thread to ask confirmation about...

    I revamp this thread to ask confirmation about the intended worklow for setting the security byte on the flash RAM of my Teensy 3.2.

    As I understand, the typical steps would be the following:

    ...
  27. Replies
    2
    Views
    91

    Thanks Paul for the detailed answer. Now is up...

    Thanks Paul for the detailed answer.
    Now is up to me to take a decision... probably the best thing is to buy a second-hand PC with fresher software version (unfortunately, the space on my desk is...
  28. Replies
    2
    Views
    91

    version `GLIBC_2.15' not found

    At my little laboratory I use a paleoarcheogical 32-bit PC with Ubuntu 10, marked with "by Ramses II" (I use it to drive my CNC-mill because it has an old parallel interface).

    It works well with...
  29. Replies
    30
    Views
    1,349

    Nice! Keep us informed. If you want, I could...

    Nice!
    Keep us informed.

    If you want, I could send you a cheap 1.54" 240x240 TFT with all the wiring ready to plug and test.
  30. Replies
    30
    Views
    1,349

    As many TFT, mine also keep in graphic memory the...

    As many TFT, mine also keep in graphic memory the contents of the previous running program.
    When the sketch started again correctly, I saw the previous contents of the screen for a fraction of...
  31. Replies
    30
    Views
    1,349

    My test sketch (the one at the top of this...

    My test sketch (the one at the top of this thread) doesn't work even with with the latest 1.4.7 adafruit GFX version.
    As before, I had to downgrade the lib back to version 1.3.6 to make it working...
  32. Replies
    30
    Views
    1,349

    Same result as above with "speedtest.ino". I...

    Same result as above with "speedtest.ino".

    I have also upgraded to GFX lib versione 1.4.7 (yes, another recent upgrade) and restarted the IDE. Again the same problem as above.
    All I see of...
  33. Replies
    30
    Views
    1,349

    The sketch "graphictest.ino" doesn't work...

    The sketch "graphictest.ino" doesn't work properly:

    1. the black background color is turned to white
    2. the screen is translated down for around 3/4 of the screen height, and translated left for...
  34. Replies
    30
    Views
    1,349

    Just a moment...

    Just a moment...
  35. Replies
    30
    Views
    1,349

    Here the datasheet.

    Here the datasheet.
  36. Replies
    30
    Views
    1,349

    No, is this 240x240 pixels from Aliexpress:...

    No, is this 240x240 pixels from Aliexpress:...
  37. Replies
    30
    Views
    1,349

    New adafruit GFX 1.4.x libs doesn't work for me

    Hi everybody,

    my Teensy 3.2 was working like a charm if using the "old" libs by adafruit with an 1.54" TFT display:

    GFX version = 1.3.6
    ST77xx version = 1.2.7

    (See my simple test sketch...
  38. Replies
    5
    Views
    1,162

    Ok. Thanks for the answer So the "risk" occurs...

    Ok. Thanks for the answer
    So the "risk" occurs only when the the USB connector and the external 3.3V supply line are both plugged at the same time.
  39. Replies
    5
    Views
    1,162

    (Thread resurrection :D) I plan to power a...

    (Thread resurrection :D)
    I plan to power a Teensy 3.2 by using the 3v3 pin too.

    Question:
    do I need to cut the "VUSB trace" if reprogramming Teensy with the USB cable and the supply line (going...
  40. UPDATE The pin 11 in the wiring image is...

    UPDATE

    The pin 11 in the wiring image is wrongly named. It should be "MOSI", not "MISO".
    Here below the right wiring:
    15606
  41. Replies
    20
    Views
    4,553

    So, I'm not the only one seeing it! :D Anyway, a...

    So, I'm not the only one seeing it! :D
    Anyway, a minor bug.
  42. Replies
    10
    Views
    516

    clever :cool:

    clever :cool:
  43. Replies
    10
    Views
    516

    What comes to my mind is that, maybe, different...

    What comes to my mind is that, maybe, different instances of the Adafruit_ST7735 classes share the same CS variable. But I didn't find any trace of this in the adafruit libs... :(

    Could you post...
  44. About 1.54" TFT 240x240 pixel with ST7789 and 22 pin connector

    Here my little contribution, hope it helps. :cool:

    I bought a cheap 1.54 inch TFT display. Despite all my doubts I was able to make it working by using the standard Adafruit libs on my Teensy 3.2...
  45. How you made the 1.54" working? Can you post how...

    How you made the 1.54" working?
    Can you post how you initilized the TFT by using the ST7789 libs by Adafruit?

    For now, all I've got is a black screen on my 22 pins TFT purchased on Aliexpress....
  46. Replies
    10
    Views
    516

    Not sure, just guessing: "Any digital pin can...

    Not sure, just guessing:

    "Any digital pin can be used for a SS (slave select) signal. The SPI library does not control the SS signals, because devices differ on when this is used, whether it is...
  47. Replies
    0
    Views
    209

    About Teensy 3.2 and 1.44" TFT display

    Just my little contribution here. I hope it help somebody.

    Prologue

    Before today, I was my using 1.44" TFT display from Aliexpress on my Arduino and (very) old Adarfruit libraries with success:...
  48. Replies
    20
    Views
    4,553

    It works very well for me, but... again that...

    It works very well for me, but... again that noising java exception when starting the Arduino IDE for the first time (i.e. after running TeensyduinoInstall.linux64).
    The graphic is messed at the...
  49. Replies
    15
    Views
    2,106

    I've followed this steps on Ubuntu 16.04 1....

    I've followed this steps on Ubuntu 16.04

    1. downloaded and unzipped an Arduino 1.8.8 IDE
    2. created a "portable" directory in the IDE installation directory
    3. tested the IDE with some examples...
  50. Thanks a lot Paul for the detailed information....

    Thanks a lot Paul for the detailed information. That was exactly the kind of info I was looking for! :cool:
Results 1 to 50 of 51
Page 1 of 2 1 2