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    New Teensy MicroMods defective

    My concern isn't failure rate at the time of purchase - of course not pressing on the chips during testing will unmask the worst solder joints. The issue is that several users in this thread and others have reported spontaneous failure of seemingly working pins after less than 1 year of...
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    New Teensy MicroMods defective

    I'm lucky I found this thread (+ similar ones on the Sparkfun forums) only 3 days into product development with Teensy Micromod. I love the concept of Micromod, but the failure rate in the field is too high for us to work around. If board flex is the issue, I'm not convinced that Sparkfun's...
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    Teensy 4 PDM Audio Input

    Hi all, I'm trying to interface a PDM microphone with T4, using the Audio System Design Tool. I linked the PDM input with the 'queue' class. The resulting code compiles for T3.6, but for T4 it produces an error. Here's the code: #include <Audio.h> #include <Wire.h> #include <SPI.h> #include...
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    Teensy 4 IntervalTimer Max Speed

    Hi Paul and others, When toggling an output pin, the IntervalTimer class, seems to be limited to 1.6 microsecond intervals on Teensy 4. On T3.6, I was able to go as low as 0.7 microseconds - so I imagine that T4 hardware is capable of much faster updates. Here's my code (shown with 1...
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    Future Teensy features & pinout

    Count 1 for T3.6 form factor with onboard MicroSD.
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    Teensy 4.0 Release

    Thanks for the part links! One more question - pins 24-33 are also SMT pads. Are they 2.54mm pitch, and spaced correctly for this part? https://www.digikey.com/product-detail/en/molex/0015910100/WM17459-ND/614775 (Or, is there already a preferred part for this?) Thanks again!
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    Teensy 4.0 MicroSD Socket

    Hi Paul, I noticed on the Teensy 4.0 pinout sheet, that the microSD pins are given as smt pads on the bottom side of the board. Is there a specific microSD socket that we should order? More generally, is there an imminent plan to release a 4 series board with the form factor of Teensy 3.5-3.6...
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    Audio board mechanical drawing

    Hello I'm trying to mount a Teensy audio board to a project enclosure. There are 3 large gold-plated holes, perfect for 4-40 screws and stand-offs. Is there a mechanical drawing of the board somewhere, that I can use to place matching holes in my enclosure design? Thanks, Josh
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