I want to build a POS customer display for windows OS (driver compatibility with win8 and above). The unit should appear as a printing device in pc. The unit should be usb operated. may have separate power supply*. The unit should be able to work without the internet. the data from print command needs to be filtered and selectively displayed as QR code on the screen *further details about device internal program and operation will be shared.
Linux system administrator needed with knowledge of Debian 11 and c-shell to investigate and diagnose repeated issues with the monitor, mouse and keyboard receiving no signals from a new Debian machine. The connection has returned randomly but there were some hardware errors referring to CPU in the logs which need to be reviewed as part of the diagnosis. Initial remote communication for diagnosis is possible but on-site attendance in Oxford will be required if hardware needs to be replaced. Please reply with your hourly rate and availability.