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  1. Yes, I had a look at the documentation.... not...

    Yes, I had a look at the documentation.... not the best.
    A couple of the examples actually couldn't compile properly. The SPI/DMA compiled but ended up messing up the data stream out from the T4s...
  2. Teensy 4.0 -- Stream ADC0 and ADC 1 over SPI ( as slave?)

    Alright, not sure how many people are on the forum looking at what people are posting..
    I am coming up on some issues relating to the sparse documentation of teensy libraries.
    I'd like to use my...
  3. Using a Teensy 4.0 as an ADC 12bit 2Msps SPI slave with pulse pileup detection

    I am in the process of making a MCA (multichannel analyzer) and I require my teensy 4 to act as a SPI slave while being an ADC. I also require the ADC to have pulse pileup detection for overly high...
  4. Code for open gamma spectrometer works on teensy 3.6, fails on teensy 4

    Having a great deal of issues with the following code. without the #if defined (arduino_teensy40)
    this code runs flawlessly on a teensy 3.6. When the code has been updated to T4 -- there is a...
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    Yes, indeed the program was completely corrupted....

    Yes, indeed the program was completely corrupted. I tried another teensy sketch and sure enough the same error occurred, but not for pure arduino boards which compile without issue.
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    Here is the error that continues to persist: ...

    Here is the error that continues to persist:
    fork/exec /Applications/Arduino.app/Contents/Java/tools-builder/ctags/5.8-arduino11/ctags: bad CPU type in executable
    Error compiling for board Teensy...
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    Nope I couldn't get it to compile under 1.8.9...

    Nope I couldn't get it to compile under 1.8.9 either...
    Trying to get a project finished and this started happening under MacOS 10.15.2 ....
    About ready to throw my computer out the window....
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    FreqMeasure refuses to compile

    Using both FreqCount and FreqMeasure today for counting pulses from a scintillation detector. I noticed that using FreqMeasure in the sketch showed that library was no longer compatible with ...
  9. I know this thread is quite old, however could...

    I know this thread is quite old, however could you provide a picture of the circuit you constructed?
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    Teensy 3.6 as an external audio card?

    I have been playing around with a few ideas to build an MCA (multi channel analyzer), however I am
    thinking I will have to do external processing with the incoming signal. Is it possible to sample...
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    Here is the code I was playing with today. This...

    Here is the code I was playing with today. This an for an Arduino based spectrometer.
    The result was that 2 of the libraries shot back errors. Lots of code in here that seems not to work with the...
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    I had a look at ADC library. I am still unsure...

    I had a look at ADC library. I am still unsure what the maximum sample rate is using the ADC.
    What I'd like to do is use the Teensy like an external audio card, only sampling at 1Mhz if...
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    Gamma spectrometer possible?

    I am a Educator looking to do a DIY gamma spectroscopy project with students (grade 10-12), and recently acquired a soundcard based gamma spectrometer (gamma spectacular) which has been amazing to...
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