[size=4][b]What is fast charging of batteries? [/b][/size] [size=4] First of all, we need to understand the charging and discharging principle of lithium-ion batteries. Batteries have two poles: the p...
Many IoT applications now generally use LoRa chips, but not LoRaWan network protocols. After investigation, it was found that the reasons for not using the LoRaWAN network protocol are: small number o...
A few days ago, I saw a lot of things similar to WeChat group plug-ins. One person sells for 199 per year, and the sales volume is several thousand, 100,000 per year. I think this thing is quite amazi...
Sina Digital News on the morning of April 23, foreign media 9to5Mac made predictions about the upcoming WWDC Apple Global Developers Conference in June based on some internal information. Acc...[Details]
High-intensity discharge lamps (HID) such as high-pressure sodium lamps (HPS) have the characteristics of high light intensity and long life, and are widely used in area lighting applications in ...[Details]
On July 24, 2012, Qualcomm of the United States and Renault of France announced that the two parties had signed a memorandum of understanding on the development of wireless charging technology for ...[Details]
On May 19, positioning technology expert TomTom (TOM2) launched an enhanced electric vehicle (EV) package, including upgraded range and route selection functions, as well as industry-leading charging...[Details]
Since the first radio was installed in the car, people's expectations for cars are no longer limited to travel, but have given them more missions. Now, with the rapid development of intelligent techn...[Details]
Researchers demonstrate flexible implant developed by University of Galway and MIT
According to the magazine Science Robotics on August 30, a research team from the University of Galway in Ire...[Details]
Earlier this year, Sony released two new flagship smartphones in April - the Xperia 1 III and Xperia 5 III, as successors to the Xperia 1 II and Xperia 5 II respectively. Sony recently confirmed th...[Details]
OnePlus' new flagship OnePlus 8T has just been launched, but there are already news about its next-generation flagship model. The whistleblower Max J recently released a blurry side view of a smartph...[Details]
introduction
For modern data and telecom power systems, higher system efficiency and power density have become a core focus, as small and efficient power systems mean saving space and electric...[Details]
1 Overview
In recent years, intelligent instruments and data acquisition systems based on single-chip microcomputers have been widely used. The traditional data storage method is to save the co...[Details]
In the early morning of September 11, the new generation of iPhone was officially released, all equipped with A13 Bionic chip. A media reporter brought on-site testing, let's take a look. The iPhone ...[Details]
Power loss is an important part of the performance evaluation of switching devices and is also an advanced function that many oscilloscopes offer as optional extras. Although many laboratories are eq...[Details]
The LED digital tube does not light up. The possible reasons for this failure are:
1) The transformer is damaged, the leads are disconnected or the solder joints are poorly welded. If the transform...[Details]
the problem we are facing:
The electronic device is a 2.4GHz FSK radio frequency transmitter with an FSK rate of about 10KHz. The device is installed inside a large-scale equipment and regularly tran...[Details]
CNC machine tools, the full name of which is Computer Numerical Control Machine Tool, are automated machine tools that are controlled by computers. CNC machine tools are widely used in mechanical p...[Details]