Barcode Scanner Frequently Asked Questions ①What should I do if I can't connect to my Android phone via Bluetooth? A. Confirm whether the bluetooth of the mobile phone is normal, and search whether the bluetooth name corresponds to the bluetooth of the device. B. Confirm whether the scanning device has entered the Bluetooth pairing mode, and the indicator light is flashing. ②Why can't some barcode...

At present, many industrial control devices use the RS-232 interface mode, and most barcode scanners can be equipped with an RS-232 cable. The schematic diagram of the connection with the device is shown in the figure below. Its installation method is as follows: 1. Turn off the power of the device. 2. Connect one end of the crystal plug of the connecting line to the end of the scanner gun. 3. Con...

Bluetooth (Bluetooth®): is a wireless technology standard that enables short-range data exchange (using UHF radio waves in the ISM band of 2.4-2.485GHz) between fixed devices, mobile devices, and building personal area networks. Bluetooth technology was first created in 1994 by telecom giant Ericsson as an alternative to RS232 data lines. Bluetooth can connect multiple devices, overcoming the ...

Sometimes, when we are using a barcode scanner, we found that it can read barcodes, what are the reasons? 1. It may be because the scanning barcode is not open. For some special barcodes of scanning network, they are turned off in the factory settings, and it is necessary to turn on the corresponding barcode type according to the instruction manual to read barcode information. 2. If the angle of s...

There are 3 kinds of prevalent Barcode Scanner interface, which is RS232, USB and Keyboard wedge, here are the details of these 3 interfaces. RS232 (serial) Output RS232 interface also called nine pin serial port because it has nine pins ,it is the most use interface before USB interface get popular. With a RS232 output scanner, you would also need to either develop your application software to op...

2D barcodes means 2 dimensions barcodes, it includes rectangles, dots, hexagons and other geometric patterns. The first 2D barcode was developed by David Allais at Intermed Corporation in 1987. 2D barcodes hold a great deal of information and data definition of 2d barcode because they store information horizontally and vertically. In fact, 2D barcodes can store up to 7,089 characters, which is a m...