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Type: Posts; User: jonesyro

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    Well that did it! Super precise trigger now....

    Well that did it! Super precise trigger now. Thanks a lot @Luni - now I got to figure out how to shift the levels correctly :) Next part will be adding ability to set the pulse length out of pin 32
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    Thanks @luni The input_pullup fixed the...

    Thanks @luni

    The input_pullup fixed the multiple pulses but it's still acting whacky. Skipping pulses from time to time.

    I went back to basics with this code and I'm getting really precise...
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    I got the 2 channel scope this am. Hooked up...

    I got the 2 channel scope this am.

    Hooked up channel 1 (yellow) to the trigger ground and signal. Channel 2 is on ground and Teensy pin 32. (this is the output to the camera)

    The original code...
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    Thanks very much @Luni for debugging this and...

    Thanks very much @Luni for debugging this and your code.

    I really appreciate it. I'm getting the scope tomorrow or the day after and will update with results. Makes a lot of sense to check...
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    That's a very good call - I don't have a 2...

    That's a very good call - I don't have a 2 channels scope but will order one.
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    Thanks Frank - Appreciate the help, I tried but...

    Thanks Frank - Appreciate the help, I tried but it's still not working.

    When hooking an oscilloscope on the sensor itself I see every pulses (1 per hole), on the Teensy with my code, and with the...
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    Thanks for the recommendation - I just tried it...

    Thanks for the recommendation - I just tried it but it breaks the code, the counter gets out whack without the delay :(
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    Need help with an interrupt / timer project.

    Hi -

    My project uses a fiber optics sensor to detect holes on a film strip, and after X amount of holes detected, a signal is sent to a camera to take a picture. This happens fast and...
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