2021-01-22

What is DHMI interface

HDMI is a new generation of multimedia interface standard. Full name (high-definition Multimedia Interface), High definition Multimedia Interface. HDMI can transmit video and audio simultaneously, simplifying the interface and wiring of the device. At the

2021-01-22

What is difference between contact smart card and non-contact smart card

Smart cards are the generic name for plastic cards (usually the size of a credit card) with microcomputer embedded in them, some of which contain microcomputer.

2021-01-15

Analysis on the anti-drop performance of the handheld terminal

Handheld terminals, as mobile smart devices, have been widely used in field operations in various industries. Compared with the mobile phones we usually use, handheld terminals should have a certain degree of industry due to frequent use and operation and

2021-01-12

Top 10 hot keywords of restaurant catering industry in 2020

It's instantly come to 2021. In 2020, the catering and hospitality industry was growing in difficulty. The unexpected covid-19 pandemic broken their plans. However, some tenacious and clever merchants find that "danger" and "opportunity" coexist fore

2021-01-08

E-CNY China digital currency e-ink visible card payment is issued

The China digital currency E-CNY visual card mainly depend on the way they interact with other devices such as smart phones. At present, in terms of price, NFC and electronic ink screen may be cheaper, plus Bluetooth, fingerprints and even other functions