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Programming / Device communication via a USB port
« on: May 28, 2021, 04:18:11 PM »
In the days when dinosaurs roamed the earth, we would communicate with a device such as a cash drawer or scales by opening a serial port with a device name such as COM1. Now that serial and parallel ports are also extinct, we have USB ports and since the plugged in device is not enabled as a portable drive with a drive letter, how do you open the USB port for communication with such a device as a cash drawer or scale? Is there a generic device driver that can be used?
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