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Thread: Daisy Chaining Teensy MCU's for future expansion

  1. #1
    Junior Member
    Join Date
    Jun 2020
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    15

    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 thinking about using UART to connect the 4.1 as the "Master" and the T4.0 as a future "Slave". I assume i'd have the slave do all the hard work and then pass the results back to the master which connects to the PC via usb?

    https://i.imgur.com/RPnICJn.png

    Thats roughly what I was thinking. Id be using this library and using the pipes to merge the data.

    https://tttapa.github.io/Control-Sur...o-example.html

  2. #2
    Junior Member
    Join Date
    Jun 2020
    Posts
    15
    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 from VIN (I assume 500ma total between the 2 boards?)

    PC USB -> t4.1 (master) - master VIN -> t4.0 (slave) VIN

    Click image for larger version. 

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