The basic working principle of RFID technology is not complicated: after the tag enters the magnetic field, it receives the radio frequency signal sent by the reader, and uses the energy obtained from...
Selling some unused solid state drives Samsung 850 and 860evo 850 330 yuan each free shipping for non-remote areas, total 8, no outer packaging. 860evo 400 yuan each free shipping for non-remote areas...
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There are two explanations: one is more practical and one more scientific. In microwave transmission systems of the 1930s, coaxial transmission lines were initially fabricated in England wit...
DC/DC step-down converters (also known as buck switching regulators) are small, efficient devices that can be used to regulate an output voltage powered by a higher input voltage. Covering devices wit...
Have you ever experienced the legendary unmanned retail store? It is said that you can enter the store by face recognition, and there is no cashier. You can take the money and run away. It is full of ...
The official website of the Trade Remedy Investigation Bureau of the Ministry of Commerce shows that on December 17, Royal Philips NV of the Netherlands and Philips North America filed an application...[Details]
Orifice flowmeter is a common flowmeter in fluid flow measurement. Many companies that use orifice flowmeter for the first time are still unfamiliar with how to install and debug the orifice flowmeter...[Details]
DCDC converter with multiple output levels
NJU7660 is a level converter (DC-DC) with RC oscillator produced by New Japan Radio Company. It has level shifting and voltage doubling functions. Its typ...[Details]
On the afternoon of November 23, Xiaomi Group released its third-quarter financial report as of September 30, 2021. The financial report shows that Xiaomi Group's third-quarter revenue was 78.06 bill...[Details]
Shenzhen, China , November 8 , 2023 - Aixin Yuanzhi, an AI vision chip R&D and basic computing platform company , announced that the 2023 International Integrated Circuit Exhibition and Semi...[Details]
1. Steps for measuring the flow coefficient of the Venturi flowmeter
1. First, slowly open (clockwise) the flow regulating valve, overflow valve, and drain valve. Then open the water pump to fill ...[Details]
"Before, due to the chip shortage, you had to wait at least two months to pick up the car. In recent times, you can pick up the car in one to one and a half months." On November 16, a sales manager o...[Details]
OLED is not yet popular, but new display technology is coming? In 2014, when Apple acquired Luxvue, Micro LED began to enter people's field of vision. According to Apple, this new display techno...[Details]
Didi will conduct road tests of autonomous driving in Suzhou in the near future. At noon on September 27, Didi Autonomous Driving obtained a road test license issued by the Suzhou Public Security B...[Details]
The 81C3 and 81L3 50μA magnetoelectric microammeters are commonly used by amateur electronics enthusiasts. What is the internal resistance of the meter? How to measure it?
Since there are many factor...[Details]
[Introduction: For drivers, the rearview mirror is one of the essential and most important auto accessories in driving a car. However, when driving, the rearview mirror sometimes becomes a drawback t...[Details]
The Galaxy Z Fold3 5G is Samsung's first foldable phone to support the S Pen stylus, but the phone cannot be used with the regular S Pen. The Galaxy Z Fold 3 is only compatible with the S Pen ...[Details]
ATSC
The HDTV system defined by the ATSC digital television standard consists of four separate layers (as shown in Figure 07-05-1) with clear interfaces between the layers.
Figure 07-05-1 Am...[Details]
In the past two years, blockchain has attracted widespread attention as an emerging technology, and related research and applications have shown a leapfrog growth trend. At the beginning of May, bloc...[Details]
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