https://community.nxp.com/t5/LPC-Microcontrollers/lpx43xx-barcode-scanner-as-hid-keyboard/m-p/1329410#M46273 <P>Hi</P> <P>Is your project based on lpcopen demo ? if yes which one? any revise ?</P> <P>Please track where runs to error? Does it <SPAN>enumerate well?</SPAN></P> <P><SPAN>Jun Zhang</SPAN></P> Wed, 25 Aug 2021 11:15:38 GMT ZhangJennie 2021-08-25T11:15:38Z https://community.nxp.com/t5/LPC-Microcontrollers/lpx43xx-barcode-scanner-as-hid-keyboard/m-p/1327188#M46234 <P>HI&nbsp;</P><P>i'm using lpx4357 and successfully completed keyboard interfacing using USB HID but when i connect a barcode scanner hard fault occurs after scanning .. only one byte read / detected and then it goes to hard fault..</P><P>&nbsp;</P><P>please help!</P> Sat, 21 Aug 2021 12:34:08 GMT https://community.nxp.com/t5/LPC-Microcontrollers/lpx43xx-barcode-scanner-as-hid-keyboard/m-p/1327188#M46234 shivrajtbm 2021-08-21T12:34:08Z https://community.nxp.com/t5/LPC-Microcontrollers/lpx43xx-barcode-scanner-as-hid-keyboard/m-p/1329410#M46273 <P>Hi</P> <P>Is your project based on lpcopen demo ? if yes which one? any revise ?</P> <P>Please track where runs to error? Does it <SPAN>enumerate well?</SPAN></P> <P><SPAN>Jun Zhang</SPAN></P> Wed, 25 Aug 2021 11:15:38 GMT https://community.nxp.com/t5/LPC-Microcontrollers/lpx43xx-barcode-scanner-as-hid-keyboard/m-p/1329410#M46273 ZhangJennie 2021-08-25T11:15:38Z