Warehouse Information

I need to add shelves and bins and add bin barcode, is there a module for this or must it be developed?

As warehouse having a tree like structure, you can utilize it to specify bins, shelves. Use serial number to track items.

ref:
https://erpnext.org/docs/user/manual/en/stock/warehouse
https://erpnext.org/docs/user/manual/en/stock/serial-no
https://erpnext.org/docs/user/manual/en/stock/batch

Thanks, gotit.