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  1. Sorry and an added extra. if i have a slave which...

    Sorry and an added extra. if i have a slave which isn't being connected via USB am i able to connect its VIN to the 4.1's VIN and leech the 5v from that? I understand there would be a current limit...
  2. Daisy Chaining Teensy MCU's for future expansion

    Hey Guys,

    nearly finished the design for my MIDI USB DAW Controller. One thought I had was for future expansion Daisy Chaining teensys.

    What would be best way for acheiving this? I was...
  3. Yeah, thats what i was using as my point of...

    Yeah, thats what i was using as my point of reference. I just saw that 38/39 were MISO1 and CS1 were in red and differed to what the symbol showed.

    Im using a daisy chain of 595 and 165s so i...
  4. Teensy 4.1 Pinout from BETA -> Production

    Hey Guys,

    I'm using Kicad to plan out something i've written on my t4.0 which will be migrated to the 4.1 when it arrives next week.

    I'm using this part symbol library below for my schematic....
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    ahhh yeah. to be honest i might just have the...

    ahhh yeah.

    to be honest i might just have the usb via a breakout that connects to a micro plug like before. :)
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    im using a 4.0, but I'm also willing to use the...

    im using a 4.0, but I'm also willing to use the 4.1 because of the extra IO for future use. I might go down that path as it seems more flexible. :)
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    oh sorry. Teensy 4.0 :) Yeah as I'm...

    oh sorry.

    Teensy 4.0 :)

    Yeah as I'm designing my PCB i thought routing ti directly would be easy enough rather than an external cable.
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    External USB for Data / Power

    Hey Guys,

    Are there any diagrams floating around out there that shows how to replace the current Data/power microusb via an external usb like this?
    ...
  9. oh and maybe one more question. If I were to...

    oh and maybe one more question. If I were to daisychain the 595's is the max current still 75ma or is it per chip?
  10. Hi mate! yes thank you :) Ive managed to get it...

    Hi mate! yes thank you :) Ive managed to get it working as I wanted. TBH all 8 work at once but to allow a little more current i think i'll run them between 2 of them. It'll allow them to be a little...
  11. oh thanks! Yes i think the internet is a help...

    oh thanks!

    Yes i think the internet is a help and a hindrance sometimes. I've seen SPI used with it so I thought that was the only option. There is a library im looking at and one of the examples...
  12. oh man, Im an idiot. I was using the 5v pin...

    oh man,

    Im an idiot. I was using the 5v pin thinking id need more current for everything earlier on, now ive released id be using 150ma total. Scope creep got me.

    I'll do it with the 3v to be...
  13. Thanks Mark, This was powered via usb, so no...

    Thanks Mark,

    This was powered via usb, so no external power source.

    Soooooo I messed up when frustrated and accidentally shorted the a 5v pin to pin 13, so my CLK pin is cooked. I will use the...
  14. thanks alot for your help. I think its an avenue...

    thanks alot for your help. I think its an avenue worth exploring, so ive just purchased a couple of 74hc595 and a bunch of resistors and LED's at the same current rating as the buttons. (Yet to buy...
  15. TPIC6B595 and 3.3v Logic for Midi button light indication

    Hi Everyone,

    First post here so sorry if this is a simple answer :)

    I am currently playing with a Teensy 4.0 and im looking to drive the LED's on a tactile button (Omron B3W-9000 Series)....
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