Barcode Scanner
2020-08-28 15:34:53
The client is interested in connecting a barcode scanner to OneBox. Which barcode scanner would you recommend to a client?
Original question is available on version: ru
Answers:
The barcode scanner interacts with the computer like this: you scan the code, the scanner sends the scanned code to the computer, and the computer ctrl + v of this code to the place where the cursor is now. Accordingly, any scanner that can insert is suitable for you.
28.08.2020, 15:42
Original comment available on version: ru
Dmitry answered correctly, but I want to add, maybe it will be useful to someone.
Almost all barcode scanners work like a keyboard:
they plug into USB and mimic a keyboard.
When you point the scanner at the barcode and "beep" - then, in fact, from the point of view of the computer, all the numbers on the barcode are simply entered in turn and at the end, enter is pressed. This is a complete imitation of the keyboard.
Even if the scanner is connected via Bluetooth, it is essentially a Bluetooth keyboard.
(In the past, there were also scanners in PS / 2 (aka "keyboard break") - but now it's rare and archaic)
The only significant difference between scanners will be what types and sizes of barcodes it reads.
For example, the cheapest scanner for 20 bucks will not understand all-all barcode formats (and there are a lot of them) and will not be able to read very small barcodes. In fact, it depends on the price.
Therefore, when choosing a scanner, be guided by the following:
- if you yourself stick your barcodes on the goods, then you don’t have requirements for reading a bunch of formats
- if you read ready-made barcodes from a bunch of goods, then make sure that the scanner understands as many formats as possible.
- if you don't want to be tied by a wire - choose the bluetooth version or the radio version (there will be a plug in the USB like on a mouse).
- if you have small barcodes - look at the characteristic "minimum reading width"
Almost all barcode scanners work like a keyboard:
they plug into USB and mimic a keyboard.
When you point the scanner at the barcode and "beep" - then, in fact, from the point of view of the computer, all the numbers on the barcode are simply entered in turn and at the end, enter is pressed. This is a complete imitation of the keyboard.
Even if the scanner is connected via Bluetooth, it is essentially a Bluetooth keyboard.
(In the past, there were also scanners in PS / 2 (aka "keyboard break") - but now it's rare and archaic)
The only significant difference between scanners will be what types and sizes of barcodes it reads.
For example, the cheapest scanner for 20 bucks will not understand all-all barcode formats (and there are a lot of them) and will not be able to read very small barcodes. In fact, it depends on the price.
Therefore, when choosing a scanner, be guided by the following:
- if you yourself stick your barcodes on the goods, then you don’t have requirements for reading a bunch of formats
- if you read ready-made barcodes from a bunch of goods, then make sure that the scanner understands as many formats as possible.
- if you don't want to be tied by a wire - choose the bluetooth version or the radio version (there will be a plug in the USB like on a mouse).
- if you have small barcodes - look at the characteristic "minimum reading width"
28.08.2020, 20:42
Как со мной связаться - никак :)Задавайте вопросы на форуме публично - и я отвечу.
Подробнее - https://1b.app/ru/user/11/ Original comment available on version: ru
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