You are looking at a very old, but free version of the course. If you are interesed the most recent version, check it out on the Perl Maven site.

11.11. Devices connected to Serial or Parallel port

  • Device::*

  • Device::SerialPort

  • Win32::SerialPort

  • Device::Modem

  • Device::Gsm

  • Device::ParallelPort

If you are interested in on-site trainings by the author, please contact me directly.