Hello, everyone~ I am the administrator okhxyyo~ Starting from this week, I will organize the evaluation information for you every week. Here are the latest evaluation activities and freshly baked eva...
A deck of unused playing cards and a 3D printed stand can be used to build a creative playing card clock. I used playing cards as the flaps of the clock and made a fun and crazy clock with minimal par...
[i=s]This post was last edited by lb8820265 on 2021-8-15 01:30[/i]I have had a dream of making a car since I was a child. I have been working hard for this dream and have made several generations of B...
[size=14px]ubuntu 16.04 ros. When running, the error [/size] You must call ros::init() before creating the first NodeHandle Couldn't find an AF_INET address for [] is in the main function. ros::init i...
introduction In many electronic systems, it is necessary to provide bipolar (positive and negative) voltage or current to a specific type of load. Loads that require bipolar voltage/current inclu...[Details]
What does noise figure mean? Noise figure is a quality factor used to describe the amount of excess noise in a system. Minimizing the noise figure can reduce the impact of noise on the system. In...[Details]
TI's integrated transformer module technology helps further extend driving time for hybrid and electric vehicles
New easy-to-use bias power module allows engineers to reduce the size...[Details]
There are many TWS (True Wireless Stereo) true Bluetooth headsets on the market. Sony, which has always been a leader in the field of noise reduction, recently launched the WF-1000X (commonly known a...[Details]
To all county (city) and district development and reform (price) bureaus:
In accordance with the spirit of the Provincial Price Bureau's "Notice on Adjusting the Electric Vehicle Charging Serv...[Details]
The conversion efficiency of solar cells is also reduced because electron-hole pairs recombine before they can be effectively used. Light of appropriate wavelength shines on a semiconductor to genera...[Details]
1. Introduction
In recent years, with the development of wireless communication technology and microelectronics technology, contactless IC card (RF card) technology has flourished and ...[Details]
In fact, I was not optimistic about Hyundai Kia's radical electric vehicle development plan a long time ago. However, from the current time point, among the traditional car companies, Hyundai Kia is ...[Details]
Principle Analysis: What is a Marquee? (1) A marquee is very similar to a running light, except that a running light has 8 LEDs, 7 of which are off and 1 is on, and the on LED is moving; a marquee ...[Details]
Without 5G chips, will Huawei phones continue to be popular? The answer is yes. According to Deep Web, Huawei will release the new Mate 50 series flagship phone early next year. The Mate 50 w...[Details]
Jiwei.com News: From a global perspective, China, as the global PCB manufacturing center, is difficult to be replaced from multiple dimensions such as supply chain, talent chain, investment chain, ex...[Details]
Charging piles are devices that serve as a source of energy for electric vehicles and are related to the car-using experience. With the increase in the number of new energy vehicles, more and more ...[Details]
Will support the next generation of Bluetooth audio products such as Auracast™ broadcast audio function
Beijing, July 13, 2022 - The Bluetooth Special Interest Group (SIG), the indus...[Details]
Optimal receiver design for differential frequency hopping signals
2.1 Optimal Receiver Implementation Method for Differential Frequency Hopping Signals
According to the principle of d...[Details]
Equivalent circuit of parallel resonant transformer
Figure 1. Equivalent circuit of parallel resonant transformer
The equivalent circuit of the parallel resonant transformer is shown in Figure...[Details]