I now have a scan code gun is the USB interface, but I need to communicate through it and single chip microcomputer and digital display on the LCD, cannot use serial interface code gun, a: how do I do

CodePudding user response:

Sweep code gun USB is just a way, you want to see the specific use of agreement, may be a USB to UART, may be HID USB the rid_device_info_keyboard, if there is no corresponding reading way, microcontroller will add a conversion chip