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  1. Hi Alan. Yes. The fastest possible way, if...

    Hi Alan.

    Yes. The fastest possible way, if using fastLed, will be to include pauls Octows2811.h and #define LED_TYPE OCTOWS2811. There is a fastled wiki somewhere that tells you the exact gains to...
  2. Ooh. Oddson got me thinking. I don’t think that...

    Ooh. Oddson got me thinking. I don’t think that pwm controller can drive any significant power. I .09W maybe. Better check that. My apologies if you already have that covered.
  3. Make sure their example works to start with so...

    Make sure their example works to start with so you know your hardware is hooked up correctly.
  4. Copy example global variable stuff over to your...

    Copy example global variable stuff over to your program.
    Copy example setup stuff into your program setup()
    Wherever you want to light up your lights in your code just put:
    tlc.setLED(x, r, g, b);...
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    "freqMeasure" on teensy 3.2 is able to get the...

    "freqMeasure" on teensy 3.2 is able to get the correct period of 1.25uS however I need high and low times.
    "freqMeasureMulti" can't give the correct period with the code below of 3.75 or 5.0uS which...
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    ledsLeft is a CRGB array of size NUM_LEDS....

    ledsLeft is a CRGB array of size NUM_LEDS.
    However array index starts at 0. So your last element will be NUM_LEDS -1
    Adjust your for loop. Currently it’s writing over some bit of memory that causes...
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    How to measure ws2811 signal timing

    Hello all.
    On monday I start putting up a bunch of ws2811 christams lights:
    18226

    Last year I started having a few led failures and found that not all of the ws2811 strips were compatible.
    Eg...
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    Yep thats what I'm saying. Below you will be...

    Yep thats what I'm saying.
    Below you will be doing your midi thing if the encoder value changes but that could be up or down.



    void loop() {
    if (enc1.available()) {
    ...
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    Put your usb stuff inside your...

    Put your usb stuff inside your if(enc1.available()) block. Your holding up your interrupts potentually missing encoder pulses where you have it now.
  10. Your microcontroller + touch sensor is what I’m...

    Your microcontroller + touch sensor is what I’m calling a sensor patch. Is that right?
    And yeah that’s what I’m suggesting. Rs485 is hardware protocol. I’m suggesting using 1 or more serial uarts on...
  11. 1. I imagine you need two way communication from...

    1. I imagine you need two way communication from your controller teensy to your 12 sensorpatches. They need to update the touch info to your controller and your controller needs to update to all 12...
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    I think breadboard + 2x teensys + 3 wires +...

    I think breadboard + 2x teensys + 3 wires + easytransfer examples straight from arduino ide menu will get you started.
  13. Yeah I’ll get something like that. Thanks.

    Yeah I’ll get something like that.
    Thanks.
  14. Hi Edward. For testing I’m using my adjustable...

    Hi Edward.
    For testing I’m using my adjustable supply,
    For running I’ll use something fixed.
    I’m running xt90 connector and so reverse polarity protection shouldn’t be needed but I’ll have it if...
  15. Ok thanks.. Ill get a high current thyristor...

    Ok thanks..
    Ill get a high current thyristor and experiment.
    Thanks.
  16. It’s 1024 leds in parallel that are rated at...

    It’s 1024 leds in parallel that are rated at 5vdc.

    At the moment I finish a row 128 leds, plug my adjustable power supply in and test.. but I have fears of bumping a preset button on the supply...
  17. 5V overvoltage protection for high power device howto?

    Helllo.
    I have an 8x8 ws2811 cube I've been building that is nearing completion.
    It will have 1024 Leds so around 50A at 5V.

    It runs a teensy3.6/octows2811 and piZero.
    I'm scared of a power...
  18. Thanks for quick reply. That's cleared that up....

    Thanks for quick reply.
    That's cleared that up.

    I regret dropping out of uni (around 15 years ago), but I blame age of empires II more than the universities course structure.
  19. Hello Theremingenieur. 1. Regarding the bypass...

    Hello Theremingenieur.

    1. Regarding the bypass resistor. would the teensy output being pulled low not acheive the same thing?

    2. I don't think I've seen a series resistor going too the gate but...
  20. I dunno. Using twisted pair for your rs485...

    I dunno. Using twisted pair for your rs485 wiring? Gnd connected at the first led and not at power supply. I think I was told this matters. I don’t see 1 strip of lights pulling gnd too high unless...
  21. Can you draw a circuit diagram of how it’s all...

    Can you draw a circuit diagram of how it’s all connected?
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    I found my detent stability point on the rotary...

    I found my detent stability point on the rotary encoder I purchased always gave gnd on a and b channels.

    The pulses would only appear between the indents. I thought maybe this was normal as some...
  23. The pca and nano that blew up was connected by...

    The pca and nano that blew up was connected by pins/sockets/circuit board with solder tracks I make.. (what u call that) so I’m guessing gnd connection on solder pad or socket or something was crook....
  24. JW I have no pics of the way it was wired for...

    JW I have no pics of the way it was wired for test sorry.
    I only have my own recollection which I wouldn’t expect you to rely on or me really..

    Last night I was a bit more observant but the setup...
  25. I should have re-connected to take a photo. It is...

    I should have re-connected to take a photo. It is all on pcb and glued in position with just a socket for nano and owm board.


    Interestingly last night I added some rotary encoders and used pwm...
  26. Yeah I edited the note but didnít re-do the image

    Yeah I edited the note but didnít re-do the image
  27. Hello JWScotSat. Yes. On last attempt only...

    Hello JWScotSat.
    Yes. On last attempt only PCA9685 and arduino nano connected when the last pair blew up. It ran for a little bit before smoking.
    Nano 5v reg is failing passing full 12v which...
  28. Iím using an Adafruit (clone) pca9685 breakout...

    Iím using an Adafruit (clone) pca9685 breakout board just because I have it to add a buffer between an expensive teensy and the mosfet driver which I donít fully understand. Iím using a nano here to...
  29. Killed another nano and pwm pca9685 board. My...

    Killed another nano and pwm pca9685 board.
    My nanos have regulators marked 1117-5 they are going up in smoke.

    I used a pololu 5v 500ma buck converter board and it is working so far.

    Thats...
  30. Electronics question. Why this blow up. No teensys involved

    Hello.
    I have been playing around with stroboscopic effect and though I would make myself a big strobe light.
    I ordered a few bits and thought this would work:
    15308

    This turns on the led...
  31. Lol.. thanks tonton and defragster.

    Lol.. thanks tonton and defragster.
  32. I ran out of dynamic memory. I've free'd up enough but how can I know.

    Hello.
    I've got a teensy3.2 flashing a about 2000 ws2811 lights using fastled/octows2811 libraries.

    I added another tree of lights today and my program froze.

    I had some multi-byte data...
  33. If it's any help to anyone here is my take on...

    If it's any help to anyone here is my take on Neltnerb's algorithm using a teensy3.2 and audio board using FFT object instead of the audio signal directly.
    https://github.com/gibbedy/BeatDetector
    ...
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    i updated again.. the matrix declaration is...

    i updated again..
    the matrix declaration is wrong and needs to be ROWS not COLUMNS I think.

    why is the 4,1 there?

    Adafruit_NeoMatrix matrix = Adafruit_NeoMatrix(32, 8,4,1, PIN,
    NEO_TILE_TOP...
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    I've updated it. try that

    I've updated it.
    try that
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    I think this will work...

    I think this will work
    https://gist.github.com/gibbedy/5f73c02d4b41e1b7170f4c35b6cd32d7
  37. Iím always interested in seeing how people code...

    Iím always interested in seeing how people code something iíve done .
    Paste it here, no judgement I promise :)

    Or pm.(if that exists here?)
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    Yikes. Yeah null pixels or rs485 to keep the...

    Yikes. Yeah null pixels or rs485 to keep the teensy close. Post a pic when itís all running.
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    I see, but is the cable used for programming the...

    I see, but is the cable used for programming the teensy or are you using it to feed data to the teensy.
    I was just going to say if it is used for programming only then I use a pi zero over wifi to...
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    Hello. I'm curious. What are you using the cable...

    Hello.
    I'm curious. What are you using the cable for. I didn't understand from the first post regarding "I wanted to add a mico sd card on the one teensy instead of connected to the pc"
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    Try sudo stty -F /dev/ttyACM0 raw -clocal

    Try
    sudo stty -F /dev/ttyACM0 raw -clocal
  42. Thank you both. Is it an ide bug that my manual...

    Thank you both.
    Is it an ide bug that my manual include gave compile errors despite giving the message that the correct library was being used?
  43. TeensyLC examples>WS2812Serial>FastLED_Cylon won't compile for me.

    In file included from C:\Program Files (x86)\Arduino\hardware\teensy\avr\libraries\WS2812Serial\examples\FastLED_Cylon\FastLED_Cylon.ino:5:0:
    ...
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    Maybe wants a hardware keyboard macro device for...

    Maybe wants a hardware keyboard macro device for games that monitor for software macros. (I've heard they do this but could be rubbish).
  45. I did a quick test using 3.2 -> 3.2 and it was...

    I did a quick test using 3.2 -> 3.2 and it was suitable for my needs however I haven't gone any further with it.
  46. 24Vdc Analog data logger 200hz - Has someone already done the work for me.

    Hello.

    I have an issue at work with a safety controller that is going into an undocumented fault state.
    Its a little yellow module that monitors a few e-stop switches and opens a set of contacts...
  47. Any info category: I'm too lazy to look but I...

    Any info category:
    I'm too lazy to look but I think the audio sheild may use a led pin so the led may come on and off depending on what the audio is doing.
  48. https://youtu.be/gtpiNfGh-JY Not necessary...

    https://youtu.be/gtpiNfGh-JY

    Not necessary viewing, but just a video to show usb cable with power cut and code/windows serial monitor and rpi serial monitor.
  49. pi@raspberrypi:~ $ ls ls lsblk ...

    pi@raspberrypi:~ $ ls
    ls lsblk lscpu lsipc lslogins lsns lsusb
    lsattr lsb_release lsinitramfs lslocks lsmod lspgpot


    I don't have...
  50. pi@raspberrypi:~ $ sudo lsusb -v -d 16c0: Bus...

    pi@raspberrypi:~ $ sudo lsusb -v -d 16c0:

    Bus 001 Device 065: ID 16c0:0483 Van Ooijen Technische Informatica Teensyduino S erial
    Device...
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