Before the Raspberry Pi came out, one cheap and easy way to get GPIO on a computer with a real operating system was to manipulate the pins on an old parallel port, then most commonly used for printers ...

Clone the repo and enter the project directory. We assume the user will set up a virtualenv. pip install -e . This will install the package in editable mode meaning you can keep changing the source ...

The technique focuses on handling each pattern in a very specific way (via look-up-tables), in order to minimize false positives in the pattern detection. Ultimately, this prevents antialiasing ...