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  1. Replies
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    Sticky: Will Serial8 be available with WS2812Serial...

    Will Serial8 be available with WS2812Serial library on T4.1?
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    yay ordered mine! any info on the coordinates of...

    yay ordered mine! any info on the coordinates of USB pads?
  3. Almost there! Ive been adding support to use...

    Almost there! Ive been adding support to use 74HC165 for buttons and encoders and 74HC4067 for pots, BMC has now 64 mux pins that can be a combination of 165s and 4067 or MCP23017/18s which can then...
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    Hopefully a well placed set of pogo pins would...

    Hopefully a well placed set of pogo pins would work on those, ill be getting a 4.1 as soon as they are released!
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    yes i was asking about usb not the usb host, that...

    yes i was asking about usb not the usb host, that sucks i really like being able to make breakout boards with USB B jacks instead of micro USB but i get it
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    Will the 4.1 have access to usb D+/- as pads like...

    Will the 4.1 have access to usb D+/- as pads like the 3.6?
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    Teensy 4 + audio board guitar pedal

    Hi all, i just ordered a teensy audio shield rev D to run with a teensy 4, i have a input/output buffer circuit that works and ive been using it with a teensy 3.2 using the adc and dac for audio...
  8. Im in long island ny, no toilet paper in most...

    Im in long island ny, no toilet paper in most stores but you find it here and there, some grocery stores have lines to allow only 25 to 30 people at a time but its not long wait times, 10 mins or so...
  9. Would you power the OP Amp with 3.3v or 5v?

    Would you power the OP Amp with 3.3v or 5v?
  10. Thread: Teensy WIKI

    by neroroxxx
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    Thats a great idea! Ill collaborate with MIDI

    Thats a great idea! Ill collaborate with MIDI
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    Thank you all for the info! i'll check out those...

    Thank you all for the info! i'll check out those links has been taken!
  12. Replies
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    Pre-processor math question

    Hi all, I'm wondering if preprocessors do math or they just paste whats defined.

    In this code:



    #define DELAY_ITERATIONS 5

    #define DELAY_VALUE (500/DELAY_ITERATIONS) // (500/5)
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    Paul this worked great, i didn't make a copy of...

    Paul this worked great, i didn't make a copy of the IDE instead i just changed the Vendor ID to 0xF6C0 since i didn't see a vendor for that ID online, to make sure i remember it i used the...
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    Paul thank you for the idea, is there a reason to...

    Paul thank you for the idea, is there a reason to make a copy of the IDE? would it be enough to relaunch the IDE with a new VENDOR_ID for USB_MIDI then relaunch it back to 0x16C0?
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    Hide Teensy from IDE Ports list

    Hi all, i have a bunch of teensys that i'm always working on, many inside custom MIDI controllers and I've gotten used only having the 1 teensy i'm working on plugged to my computer. I do that to...
  16. It makes more sense now! Thank you!

    It makes more sense now!

    Thank you!
  17. digitalReadFast() why does it need __builtin_constant_p

    Hi all, just wondering why the pin must be known at compile time?

    I was looking at the source code and it has if-else for each pin so i'm wondering why the pin needs to be know at compile when...
  18. Splitting 5V Current between Teensy 3.6 and other components

    Hi all, for a while i've been using both USB power and an external power supply for my MIDI Controllers, i use a standard 9v power supply on stage with a 5v regulator, the regulator and the USB Power...
  19. Midi is the easiest and yes only chrome supports...

    Midi is the easiest and yes only chrome supports it, there are plugins to allow safari to use it but they are pretty buggy.

    The best way is to use System exclusive messages because you can send...
  20. Paul, will there be pads to access USB like on...

    Paul, will there be pads to access USB like on teensy 3 boards, no USB pads have been the only buzzkill for me on the 4.0 specially when i have custom breakouts that have usb type B for use on stages...
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    KurtE if i do a test similar it will also work...

    KurtE if i do a test similar it will also work and .available() will return more than 1, however when its with the nextion display it always returns 1, i have enhaced nextion 3.2 touch display.

    I...
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    Ok I tested your code i jumpered Serial6 RX/TX...

    Ok I tested your code i jumpered Serial6 RX/TX (pins 47/48) and Serial6.available does show up the full length of the array, however when i go back to the nextion display .available() will still...
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    awesome, thank you for the info, i think i was...

    awesome, thank you for the info, i think i was testing on Serial1 and Serial2, i fixed my issue using a little buffer
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    Teensy 3.6 are all UART ports the same?

    Hi all, I been messing with a Nextion Display, it communicates over Serial, i programmed the display to send some byte arrays based on touch and it worked great when i tested it using Serial1 and...
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    Youd likely have to write a usb driver for the...

    Youd likely have to write a usb driver for the teensy for dmx, most usb>dmx devices have custom drivers for their hardware at least the ones ive used hence why they usually have their own hardware...
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    Ok that makes sense, even i've had the 4.0 for a...

    Ok that makes sense, even i've had the 4.0 for a month i never really used because there was no USB MIDI so i was patiently waiting for it, last night when i went to bed i checked the forum and saw...
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    Just got to test beta 3, tested the MIDI USB Type...

    Just got to test beta 3, tested the MIDI USB Type with large Sysex dumps and worked like a charm! the only thing i noticed that i found odd was that for teensy 4.0 the IDE says it uses 10 times more...
  28. Thanks, that's the idea, not having to worry...

    Thanks, that's the idea, not having to worry about writing the same code or copying the same sketch code to another one to build a different midi controller, just focus on any non midi code like...
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    I wrote a full library that does this with its...

    I wrote a full library that does this with its own midi editor that is scalable and the editor is web based with also a desktop app running on electron. All done with sysex for communication, the...
  30. oh ok, BMC can handle all that, i actually do it...

    oh ok, BMC can handle all that, i actually do it the same way, i route the BB clock to all my other devices, that's where routing becomes really easy, that way i don't have to chaing one device after...
  31. That's awesome! yes it will be on github so...

    That's awesome! yes it will be on github so people can contribute.

    How do you use your build to control the beatbuddy and infinity? just with Control and Program changes? I wrote syncing for my...
  32. Announcing BMC, a MIDI Controller library with companion Desktop Editor!

    Hi all, I'm really excited to announce the Badass MIDI Controller (BMC), a scalable MIDI controller library with a companion Desktop Editor!

    It's a bit difficult to fully explain BMC but I will...
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    i would say make a 4.1 as close to the t36...

    i would say make a 4.1 as close to the t36 format, sd card, usb host pins with hot plug circuit, usb client pads, as many pads on the bottom for pogo pins, i love the idea of a double row board, with...
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    USB Audio Input Not Working

    Hi all, I started messing around with the Audio library again, I'm messing around with USB Audio, basically i just want to check if my T3.6 is reading audio from the USB port, however it doesn't seem...
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    Thank you for the answers! just waiting to see...

    Thank you for the answers! just waiting to see the 4.0 in stock somewhere to get my hands on it!
  36. Replies
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    TEENSY 4.0 EEPROM & RAM Questions

    Hi all, i see everywhere that 64K are allocated to recovery and EEPROM but what's the actual size that is used by the EEPROM library?

    Also I see that its has 1MB of RAM but says 512KB rightly...
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    4.0 USB pads? and optional sizes

    Hi, im curious if the 4.0 has any way to tap into the USB port, on the 3.x models you have pads and the 3.6 has pins for the USB host as well, this is great if you want to put it on a custom board...
  38. Ok i misunderstood your question, for what i see...

    Ok i misunderstood your question, for what i see there's none, the way you are doing it is the right way
  39. MIDIDevice midi; if(midi){ // midi device...

    MIDIDevice midi;

    if(midi){
    // midi device connected
    }
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    Initializing Struct Reference

    Hi guys, i'm trying to figure out if this is possible.

    I have a 2 classes, one of them contains a large struct i want to create a reference to that struct on another class.

    Basically i want...
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    wrapping "value" in my macro did the job, thank...

    wrapping "value" in my macro did the job, thank you for noticing that!! HUGE HELP!
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    AHH!!! you are right, i'm looking at it as if...

    AHH!!! you are right, i'm looking at it as if it's a function but i forgot it's a MACRO! i'll test it
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    Thank you for the reply, that's exactly what i've...

    Thank you for the reply, that's exactly what i've been doing lol except with macros



    #define CLEAR_BITS_TO_LOCATION(target, value, shift) (target &= ~(value << shift))
    #define...
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    Thank you for the reply, Yes that's what i do, i...

    Thank you for the reply, Yes that's what i do, i write to the struct first then i "put" the struct into EEPROM, however i have to first write those bits to the struct before storing it which is where...
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    Writing bits to a larger type

    Hi guys, i hope i'm phrasing the title right, I have a struct with a couple of uint32_t types, in those 32 bits i store multiple values, some are 2-bit values some are 4-bit some are 7 bit some are...
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    Thank you for the info! Is there a tested...

    Thank you for the info! Is there a tested schematic for a circuit to allow up to 12vdc?
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    Teensy 3.6 max input voltage

    Hi, i was wondering what the maximum voltage that can be applied to a teensy without damage, the arduino mega can accept up to 12v dc but i know they have some voltage regulator, I'm wondering if the...
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    The roland site says the usb port is for audio...

    The roland site says the usb port is for audio doesnt say its for midi, when u connect it to your computer does it show up as a midi device?
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    Paul, both USBHost_t36 and usbMIDI should have a...

    Paul, both USBHost_t36 and usbMIDI should have a getSysExArrayLength() and behave like the MIDI library, where the the sysex length is split into 2 uint8_t and each assigned to data1 and data2, then...
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    Awesome, thank you! i've been testing 1.41 today...

    Awesome, thank you! i've been testing 1.41 today and so far everything is work as usual for me, my main focus being on MIDI
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