I need help from the senior elites. I use the NXP brand. The PCA9539PW (interface-I/O expander) chips are batch mounted on the machine and tested intact and shipped. A few months later, the end user r...
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Qorvo's new QPG6100 communications controller for IoT end devices features the company's ConcurrentConnectTM technology, an innovative technology that accelerates communications, increases home networ...
The requirements were simple: answering and making calls, a keypad or flip phone. I thought the flip phone was better because I could hang up the phone at any time and I didn't need to unlock it to tu...
The TGF4042 function generator uses a 14-bit DAC with a main frequency of up to 400 MHZ. The manual clearly indicates the frequency resolution, but does not clearly indicate the amplitude resolution. ...
[size=4] μC/OS-II is an open source, compact, and preemptive real-time kernel embedded development system. The code is short, clear, and has high real-time and security performance. Most of the code i...
US investment bank Evercore ISI recently included Micron in its top picks list, and pointed out that Nvidia and AMD's stock prices have risen recently due to the concept of the Metaverse, but investo...[Details]
The 8 light-emitting tubes flow from top to bottom at intervals of 1 second, with each tube on for 500ms and off for 500ms. The buzzer sounds when it is on and turns off when it is off, and this proc...[Details]
Recently, the development of advanced chips such as 2nm has attracted much attention from the industry. At a technical forum held by TSMC on June 17, TSMC, the leading foundry, disclosed for the firs...[Details]
According to IT Home on May 29, on May 28, the 2022 (26th) Guangdong-Hong Kong-Macao Greater Bay Area International Automobile Expo and New Energy and Smart Automobile Expo was held. IT Home learned ...[Details]
Inaccuracy and errors are different. The situations I encounter are often reading errors rather than errors. Generally speaking, no matter what measuring tool is used now, as long as it is installed ...[Details]
At present, electric locomotives use mechanical foot switches to send trigger pulses (110V/0V) to the monitor at a fixed time (within 1 minute) to inform the monitor that the locomotive driver is i...[Details]
On August 7, according to reports from Bloomberg Law and Reuters, Harvard University filed a lawsuit with the U.S. District Court for the Eastern District of Texas on Monday, accusing Samsung Elect...[Details]
There are many magnetic devices used in switching power supplies, among which the commonly used soft magnetic devices are: the main transformer (high-frequency power transformer) as the core device...[Details]
I have always thought that the GPS module is troublesome to use. I think it is a high-tech thing that receives satellite signals~~ mysterious. Until recently, a friend asked about this aspect in a p...[Details]
I have been playing with microcontrollers for nearly three years, and have played with 8-bit, 16-bit, and 32-bit ones. Suddenly, a problem made me realize that I am a loser!!! What do 8 bits, 16 bi...[Details]
Battery
life is an important factor
in mobile device design
. As many mobile devices add more features, these added features quickly reduce operating time. Engineers must use sophisticated
...[Details]
Measuring power supply ripple itself is a skill. Figure 1 shows an example of improper use of an oscilloscope to measure power supply ripple. In this example, several mistakes were made. First, an ...[Details]
The latest research report released by the TV Streaming Platform Service of market research firm Strategy Analytics pointed out that in 2020, the number of Samsung Tizen devices in use worldwide incr...[Details]
It's hard to believe that the Raspberry Pi is almost a decade old, having been launched on February 29, 2012. The Raspberry Pi has become more than just a computer; it's a massive community that brin...[Details]
LG Energy Solution's performance in the third quarter of 2024 does reflect the weakness in global demand for power batteries.
LG Energy Solution's operating income was 687.78 billion won...[Details]
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