Users who use the public network walkie-talkie know that they must speak after pressing the PTT button and hear the "drop" sound. This is obviously different from the traditional analog or digital conventional walkie-talkie, and some use

In the field of drones, you must have heard of DJI's AccTIve track intelligent follow-up function, which uses image recognition and machine learning techniques to achieve the purpose of target tracking; however, image discrimination is often done because of The weather, th

It is reported that in the commercial cloud service market in the fourth quarter of last year, Amazon's AWS market share was 62%, which was in a downward trend compared with the same period in 2016, while Microsoft continued to keep a straight upward trend. Analysts predic

The constant current charging current and the constant current discharging current of the nickel battery pack are several. When one of the single battery discharge termination voltages reaches 1V, the discharge should be stopped. Within the three charge and discharge cycles, if the rated capacity va

When high-speed signal wiring, the transmission line theory is needed. In the wiring process, some methods are different from the conventional general signal wiring. The wiring techniques of some high-frequency signal lines are generally given bel

A transparent phone is a mobile phone that uses a replaceable glass to achieve a visually transparent effect. Transparent mobile phones use a special switchable glass technology that is re-arranged to form text, icons and other images once the electronically controlled glass i

There are a variety of smart speaker manufacturers that have already entered the market. There are Internet giants, content vendors, and startup companies. There are also some traditional speaker manufacturers that are moving toward intelligent development. So what are the specific types of smart s

First, what is SNMP Simple Network Management Protocol (SNMP) consists of a set of network-managed standards, including an application layer protocol (applicaTIon layer protocol), a database schema, and a set of resource objects. The protocol can support a network managemen

UAVs have been known by more and more people, aerial photography, express delivery, power line inspection, disaster relief, and drones can be used in almost every industry. Its figure is now everywhere. The well-known consulting firm Gartner predicts that the production and sa

With the popularity of deep learning (artificial intelligence), heterogeneous parallel computing has received more and more attention from the industry. From the beginning, talking about deep learning must talk about GPU, and when talking about de

What is an interruption? It is to interrupt what is going on and to do something else. The MCU interrupt is when the MCU is executing the program, suddenly a button is pressed (generating an external interrupt), the MCU must deal with that button (interrupt response) to see wh

On January 11, the Ministry of Industry and Information Technology submitted a batch of electronic industry standards (29 industry standards, 37 national standards), including 3 LED/lighting related standards, respectively, the industry standard "Indoor Indoor LED Display Multimedia System Acc