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The behaviour observed comes from the codedisc of optical encoders. With high rotating speeds the Last Significant tracks (LSB) of the Code are changing so fast that the photodiodes cannot recognise the changes, so the LSB are starting to to be blanked out. It doesn`t matter for your evaluation...
Hi Sedat,
I also think you will not loose accuracy with a parallel to serial conversion if it is done correct.
An other option is to direct connect an serial encoder with SSI (Synchronous Serial Interface) to your
Micro controller. The SSI interface is a common standard and I found an...
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