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  • Arduino - Improved Poor Man's Oscilloscope

    Here you can see first the wannabe square wave from pin 13, then me unplugging the wire from pin 13 and connecting it to 5V. I think it needs a little calibration... Can anybody help me?

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  • Arduino - Improved Poor Man's Oscilloscope

    Ok, I made it work.It was looking for the Arduino on /dev/ttyS1, but it was on /dev/ttyUSB0 so I just made a symlink! #sudo su#rm /dev/ttyS1#ln -n /dev/ttyUSB0 /dev/ttyS1

    Also, it doesn't really seem to work propperly for me. Instead of the test square wave it shows me kind of a sawtooth or a trangle wave. Do i have to connect REF or VIN to a stable voltage like 3v3 or 5v? Sorry I've had an arduino for like a week :)

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