A 1V AC signal is connected to a 1Ω resistor and a 1Ω capacitor. What is the AC voltage across the capacitor? I have shared this question with many engineers over the years. The most common response ...
Unboxing
The Xingkong board is an open source hardware developed with Python, integrating LCD, WiFi, Bluetooth, multiple common sensors and rich expansion interfaces. It supports Linux operating syste...
I wonder if you have noticed that most PCB boards are green, while other colors are rare. Why is this? Some people say that black PCB boards represent high-end, is this true? First of all, let's take ...
This time, I learned about SmartConfig and Airkiss one-click network configuration, and connected ESP8266 to the cloud with one click.
Generally, if a WiFi module wants to connect to the Internet, the...
Although DS1820 has the advantages of simple temperature measurement system, high temperature measurement accuracy, convenient connection, and less occupied port lines, the following issues should be ...
It is said that many software developers envy hardware engineers.
Because in the software industry, 35 is considered old
The 53-year-old hardware guy is in his primeA hardware engineer who looks great...
Lighting fixtures are an indispensable electrical appliance in people's daily lives. Their function is to provide artificial lighting to meet the lighting needs of various places. Its traditional...[Details]
Sony's first Snapdragon 865 flagship Xperia 1 Ⅱ is about to go on sale. For consumers, the most concerned issue about this flagship is its price. Japanese telecommunications operator NTT doco...[Details]
Now all car manufacturers that make new energy vehicles are looking for the same "holy grail", a battery that can last nearly 500 kilometers, only takes 10 minutes to charge, does not require a huge ...[Details]
According to @数码闲聊站's revelation today, the sales of OPPO Find N released at the end of last year exceeded expectations. This year, OPPO has also planned a vertical small-screen folding and a ho...[Details]
The European Union has dropped its plan to impose a 1 billion euro fine on Qualcomm after an appeals court ruled that the fine and trial were irregular and involved procedural violations in the antit...[Details]
According to foreign media reports, Apple is preparing a new iPhone model with a screen size increased from 6.5 inches to 6.7 inches, and the appearance has also changed significantly. Judging from...[Details]
This article briefly introduces and analyzes the impact of distributed power access on the power grid, and focuses on discussing and analyzing the development direction of distributed generation tech...[Details]
Earlier this year, Tesla released its safety report for the fourth quarter of 2018. Data showed that among Tesla vehicles, vehicles without the Autopilot feature encountered accidents every 1.58 mill...[Details]
Arbitrary waveform generators (AWGs) are able to reproduce almost any waveform. In today's complex electronic systems, arbitrary waveform generators play a key role as signal generators. Spectrum Ins...[Details]
Compile a program containing the following code: if (cmd == -1) { plen=fill_tcp_data_p(buf,0,PSTR("HTTP/1.0 401 Unauthorized\r\nContent-Type: text/html\r\n\r\n h1 401 Unauthorized /h1 ")...[Details]
On August 15, RoboSense (2498.HK) released its interim results report for 2024. In the first half of 2024, RoboSense achieved a total revenue of 727 million yuan, a year-on-year increase of approxi...[Details]
On October 16, 2020, Xinhuazhang, a leading EDA (electronic design automation) intelligent industrial software and system company, announced today that it has received RMB 100 million in Pre-A round ...[Details]
Nvidia is reportedly planning to acquire British chip designer Arm for $40 billion. But the deal faces new challenges in China. Allen Wu, CEO of Arm's Chinese joint venture, reportedly holds a 17% st...[Details]
According to official news from Jingzhou Equipment, the company's mass production of G8.5 wet etching equipment was completed 50 days ahead of the standard production cycle and successfully rolled of...[Details]
The fierce competition in China's automobile market, especially the rapid popularization and iterative upgrades of electrification and intelligence, requires any core component supplier to remain o...[Details]