Hello pls help me with the scanner it only prints scanner did not respond and the code even though i already scan the por232 from the manual.
Did you grab the library? 2D Barcode Scanner Breakout Hookup Guide - SparkFun Learn
There are a few troubleshooting steps here as well 2D Barcode Scanner Breakout Hookup Guide - SparkFun Learn
Also make sure the usb cable you’re using passes power AND data