Scanner does not recognize barcode factors

For barcode guns, barcodes are generally not scanned. Except for the reason that the barcode scanner itself may not be read due to insufficient accuracy, incorrect settings, hardware failures, etc., it is often possible that barcode labels are abnormal or barcodes. The problem of identifying problem

Ten dangerous toys for children!

alert! Ten dangerous toys for children 1. Ejection toys Various kinds of toy pistols, water guns, and slingshots, bows and arrows, etc. that have been commonly used in the Chinese people, as well as dart toys. 2. Toys with rope The rope is easily wrapped around the child's f

Faucet installation notes

Faucet is the popular name of the water valve, used to control the size of the water flow switch, a water-saving effect. The structure of the faucet seems to be extremely simple, but to install the faucet seamlessly, it is still necessary for the next effort. Next, Xiao Bian introdu

How to get rid of the bar code scanner sound?

How to get rid of the bar code scanner sound? I believe that users who have used barcode scanners know that every time they scan a barcode, the scanner will beep once. However, in some environments, there is no need to beep. For example, in a quiet environment such as a library, when scanning a barc

What if I am charged with a credit card?

Almost everyone has a credit card, credit card can provide settlement services, convenient shopping, enhance security, and bring great convenience to our lives, then what are the advantages of credit cards? What if you are charged with a credit card? Edited for you to summarize the relevant knowledg