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  1. W

    Does the input have already a Schmitt-Trigger?

    I feed a teensy 2.0 with a external clock of an old device. Some of the devices have a dirty clock signal, so I have to set the low pass filter of the clock lower. This helps on most devices, but on some not. I notice that, if I change the filter only, get an DC offset of 0.5V and maybe this is...
  2. W

    Does the input have already a Schmitt-Trigger?

    What do you thing, where is the threshold where it switch back to 0?
  3. W

    Does the input have already a Schmitt-Trigger?

    Does the input of a teensy 2.0 board, specialy the XCK input, have a Schmitt-Trigger integrated?
  4. W

    USB to digital I/O delay ?

    I confirm that! My usb/serial Interface has delay of 1 to 2 ms for each read process.
  5. W

    USB to digital I/O delay ?

    Hi, I have problems with my teensy 2.0 Serial device. On one USB Port of my MacBook Pro it works ok and at the other one not. If I boot the machine with Windows both ports works. The problem on OSX is that the left USB port seams to have a delay. So the serial communication breaks often. Dose...
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