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

Search:

Type: Posts; User: joe_prince

Page 1 of 3 1 2 3

Search: Search took 0.00 seconds.

  1. Replies
    4
    Views
    2,420

    I second this. VFDs give off a ton of EMI so...

    I second this. VFDs give off a ton of EMI so shielded cable is a must.
  2. Replies
    11
    Views
    4,104

    I think page 101 in the datasheet is what you're...

    I think page 101 in the datasheet is what you're looking for: https://ae-bst.resource.bosch.com/media/products/dokumente/bno055/BST_BNO055_DS000_13.pdf
  3. There's a section in "core_pins.h" that might be...

    There's a section in "core_pins.h" that might be helpful:


    #if defined(__MK20DX128__)
    #define CORE_NUM_TOTAL_PINS 34
    #define CORE_NUM_DIGITAL 34
    #define CORE_NUM_INTERRUPT 34...
  4. Replies
    18
    Views
    4,853

    See this example:...

    See this example: http://www.instructables.com/id/Add-bluetooth-to-your-Arduino-project-ArduinoHC-06/?ALLSTEPS
  5. Replies
    18
    Views
    4,853

    Are you echoing what you're receiving on the...

    Are you echoing what you're receiving on the bluetooth module? Or sending other data from the bluetooth? If not, it's not returning true because you're only sending data in one direction on the...
  6. Replies
    18
    Views
    4,853

    What is your question asking? Not sure I follow....

    What is your question asking? Not sure I follow. If you're wondering if the current code compiles with the "Serial2.available()" line, then the answer is yes. If you're asking something else then...
  7. Replies
    42
    Views
    11,970

    Constantin This sounds awesome. Do you...

    Constantin



    This sounds awesome. Do you have any pictures of yours with all the mods? Would love to see it...
  8. Replies
    42
    Views
    11,970

    That's really neat! I saw that some others...

    That's really neat!



    I saw that some others used IR ovens as well, instead of a conventional or convection. How does the IR compare to them? Are the IR toaster ovens harder to "hack" than the...
  9. Replies
    10
    Views
    2,939

    You're absolutely right Constantin - I had...

    You're absolutely right Constantin - I had mis-interpreted his intention in the first post. Cheers!
  10. Replies
    42
    Views
    11,970

    Thanks again potatotron! After further...

    Thanks again potatotron! After further researching it seemed that the only different between a conventional and a convection toaster oven is having the fan to distribute the air. It sounds like...
  11. Replies
    10
    Views
    2,939

    It might be hard to get the traces underneath the...

    It might be hard to get the traces underneath the chip, unless you sacrifice a Teensy and desolder the chip (and/or components). I believe the Teensy 3.2 is 4 layers with ground and power planes in...
  12. Replies
    42
    Views
    11,970

    That's right, I remembering seeing it when they...

    That's right, I remembering seeing it when they had the campaign. The tolerances/widths don't seem to be as good as the Prometheus like you mentioned, but it's neat that it's an all-in-one station.
    ...
  13. Replies
    42
    Views
    11,970

    Is this the one you're referencing Constantin?...

    Is this the one you're referencing Constantin? https://www.kickstarter.com/projects/zippyrobotics/prometheus-circuit-boards-in-minutes?



    Good call - it very well may be the same one then!
  14. Replies
    42
    Views
    11,970

    Ah, I see. Pardon my lack of knowledge with it....

    Ah, I see. Pardon my lack of knowledge with it. That's actually quite neat!
  15. Replies
    42
    Views
    11,970

    I saw that model as well, but I didn't see the...

    I saw that model as well, but I didn't see the convection fans potatotron was mentioning. It might be an older model that isn't around anymore since it was back in 2012.
  16. Replies
    10
    Views
    2,939

    I could be wrong, but I don't think that...

    I could be wrong, but I don't think that information is publicly available. Paul can't unveil all his secrets! :)
  17. Replies
    42
    Views
    11,970

    potatotron Thanks for the great information! ...

    potatotron

    Thanks for the great information!



    I just read through that SparkFun post (good stuff there) and had a few questions about the oven itself. For the burners in the oven, do I need...
  18. Replies
    42
    Views
    11,970

    Looking to buy a reflow oven

    Does anyone have a good reflow oven they can recommend? Looking to get one for small quantity, small board size, personal use. Would like to spend no more than $400 (if that's possible).
  19. Replies
    23
    Views
    3,961

    Good catch HWGuy! Here is an updated code that...

    Good catch HWGuy! Here is an updated code that should work fine:


    void setup() {

    Serial.begin(9600);

    }

    void loop() {
  20. Replies
    23
    Views
    3,961

    You need to add "break;" to every case, otherwise...

    You need to add "break;" to every case, otherwise it will continue traversing even if it finds a match. Hence why you're seeing 'e' all the time, as well as 'd' since that's probably where the match...
  21. Replies
    23
    Views
    3,961

    Not sure why you're getting that warning - it...

    Not sure why you're getting that warning - it compiles fine on my end. Did you copy/paste the entire code?
  22. Replies
    23
    Views
    3,961

    The index of the array is the variable with the...

    The index of the array is the variable with the minimum value...
  23. Replies
    23
    Views
    3,961

    Here's another way to do it (many different ways...

    Here's another way to do it (many different ways to approach it). Just compare the current value and the next value, and store the current index if it's smaller, or store the next index if it's...
  24. Replies
    8
    Views
    6,029

    At Shapeways (https://www.shapeways.com/) you can...

    At Shapeways you can upload your own design, and they will print and send it to you (in many different types of plastic and metal). The tolerances on their printers are very good. Here are some of...
  25. Replies
    4
    Views
    2,164

    Thanks Paul. So is the exposed ground pad...

    Thanks Paul. So is the exposed ground pad internally connected to the other grounds? What are the side-affects of letting it float besides thermally and structurally? If I leave it floating, is it...
  26. Replies
    4
    Views
    2,164

    I was posing the question for 2 main reasons: ...

    I was posing the question for 2 main reasons:

    1) I have a hot air rework station (not a reflow oven), so I'm not sure how well the solder on the exposed pad would do with this method.

    2) It...
  27. Replies
    4
    Views
    2,164

    ATMEGA32U4 QFN Bottom Ground Pad Question

    The datasheet for the ATMEGA32U4 (http://www.atmel.com/Images/Atmel-7766-8-bit-AVR-ATmega16U4-32U4_Datasheet.pdf) doesn't mention the bottom ground pad for the QFN package. Besides for thermal...
  28. Replies
    6
    Views
    5,884

    Awesome! Thanks for following up. I'll be sure to...

    Awesome! Thanks for following up. I'll be sure to check out the firmware.
  29. Did you end up getting this figured out? I'm...

    Did you end up getting this figured out? I'm working on my own custom Teensy 2.0 and running into a few issues as well.

    From the schematic it looks like the RESET line is always pulled low, even...
  30. Replies
    0
    Views
    1,668

    Teensy 2.0 clone I2C & USB conflict

    I'm trying to make a clone of the Teensy 2.0 (which uses the ATMEGA32U4 chip) for a project. I have successfully burned the Leonardo bootloader, Caterina...
  31. Replies
    13
    Views
    2,796

    I recently did a project at home for my surround...

    I recently did a project at home for my surround sound system. The remote stopped working (never tracked down what the cause was, likely the IR transmitter went bad) and so I decoded the signal sent...
  32. Replies
    559
    Views
    220,626

    I imagine it's more a factor of space, versus...

    I imagine it's more a factor of space, versus cost. It's not going to be called a Teensy anymore if it's loaded up with components :)
  33. Replies
    4
    Views
    1,210

    The pulseIn function isn't the best way to go,...

    The pulseIn function isn't the best way to go, unless a quick response isn't required. That is because the pulseIn function is blocking, meaning it waits to start the timer until it gets to a rising...
  34. I'm confused by the data in the screenshot. If...

    I'm confused by the data in the screenshot. If it's 7 channel PPM, shouldn't there only be 7 different periods between rising edges within the 20ms frame? I've never used a PPM receiver before, but...
  35. Replies
    4
    Views
    1,488

    Thanks Michael. I just hooked up a...

    Thanks Michael.

    I just hooked up a potentiometer (outputting from 0 to 5v) to one of the pins and performed a digital read, and it looks like right around 1.5V it transitions from a logic low to a...
  36. Replies
    4
    Views
    1,488

    So was it just coincidence that the 3.3V signals...

    So was it just coincidence that the 3.3V signals sent from the slave communicated fine? Would it be safer to level shift the signals to avoid any accidental missed high readings?
  37. Replies
    4
    Views
    1,488

    Are Teensy 2.0 pins 5V tolerant?

    I can't seem to find the answer online, but wondering if the Teensy 2.0 digital input is 5V tolerant or 3.3V tolerant? Also, for I2C communication would I need to level shift a 3.3V slave signal up...
  38. I have been using them as well, and haven't seen...

    I have been using them as well, and haven't seen any issues. It would be nice to be able to test the output voltage noise, perhaps with some data logging of some sort during flight. A scope would be...
  39. How stable is the 5V output from the BECs when...

    How stable is the 5V output from the BECs when the motors are running? I was debating using that 5V source directly for my own flight controller, but wasn't sure if the output voltage from the BECs...
  40. Replies
    11
    Views
    3,080

    I was thinking of making smoke come out of my...

    I was thinking of making smoke come out of my Teensy... :p
  41. Replies
    11
    Views
    4,104

    My stencil arrived today from OSH Stencils. I...

    My stencil arrived today from OSH Stencils. I ordered it on October 19th (so it took 3 days total from the time I placed the order). The total was $7.86, including USPS First Class shipping which...
  42. Replies
    11
    Views
    4,104

    Thanks Kris! I'll have to take a look online...

    Thanks Kris! I'll have to take a look online again...if they have them in the 0603 and 0402 sizes, I'm sure they do for 0805 as well (hopefully minimum quantity of 1).



    I studied your breakout...
  43. Replies
    11
    Views
    4,104

    Thanks for the advice Cosford! That's a good idea...

    Thanks for the advice Cosford! That's a good idea with labeling the pin header (I can see how easily it would be to get pins flipped/reversed). As far as the silkscreen for the components, I left...
  44. Replies
    11
    Views
    4,104

    My First PCB Design - Questions

    I just finished designing a breakout board for the BNO055 chip (first PCB I've designed so it's more for practice than anything). I had a few questions that hopefully some will be able to address....
  45. Replies
    0
    Views
    764

    OSH Park T3.2 Purple Edition

    Paul - the image for the purple T3.2 from OSH Park isn't loading on this page: https://oshpark.com/teensy

    Just thought you might want to know.
  46. That's a good point Michael. I do use a lot of...

    That's a good point Michael. I do use a lot of breakout boards from Adafruit and Sparkfun so it's likely they already had them included on the board.
  47. Ha, I guess I have just been getting lucky :)...

    Ha, I guess I have just been getting lucky :) Thanks for the head's up, good information to know!
  48. I have never used actual pullups for I2C on my...

    I have never used actual pullups for I2C on my T3.1...everything has worked fine in the past, is that just pure coincidence that I got lucky?
  49. Replies
    5
    Views
    1,370

    Paul, I see this happens to a lot of people. Such...

    Paul, I see this happens to a lot of people. Such a simple mistake, but can tear somebody's hair out in the process. Is there any way to have Teensyduino show a warning such as "No device connected....
  50. Replies
    4
    Views
    1,550

    There was a Kickstarter campaign a few months...

    There was a Kickstarter campaign a few months back for something similar to what you're trying to do:...
Results 1 to 50 of 111
Page 1 of 3 1 2 3