[i=s]This post was last edited by xy598646744 on 2020-6-9 22:39[/i]I recently got an old spectrum analyzer Advantest R4131D. The frequency is accurate, but the power is inaccurate. I disassembled it t...
First of all, I would like to thank EEWORLD and Digi-Key Electronics for providing me with the opportunity to be selected as a finalist, so that I can gradually realize and demonstrate my ideas. This ...
This is a picture of the rotor of a three-phase asynchronous motor that I sawSpeaking of the rotor, it is usually made of 45 carbon steel (carbon-iron alloy) with slots and aluminum bars. My question ...
I received the board, but encountered a problem: I followed the instructions and the APP could not find the board at the step of " Firmware update and then connect " ! The firmware update was shown to...
[i=s]This post was last edited by mameng on 2021-10-22 21:46[/i]STM32U5 highlights Compared with the traditional STM32Lx series low-power MCU, STM32U5 has many advantages:First: 40nm process technolog...
Semiconductor discrete devices mainly include diodes, triodes, transistors and thyristors. Based on power handling capacity, they are divided into low-voltage and low-power (voltage below 200V, curre...[Details]
With the rapid development of global technology, industries such as autonomous driving, smart transportation, and industrial automation are ushering in a new round of changes. With the rapid developm...[Details]
On April 3rd, Beijing time, many so-called digital bloggers, including @HW前HR, who have long been mocking Xiaomi on social platforms, made so-called revelations on their social platforms, condemni...[Details]
After keil compilation, Program Size: data=21.0 xdata=0 code=2231 appears. This indicates data = 21.0 The internal RAM of the data storage occupies 21 bytes, xdata=0 Data storage external RAM oc...[Details]
The quality of LED driver power directly affects the quality of LED lighting system, but it is the driver power that is relatively easy to be damaged in LED lighting system. In order to ensure the sa...[Details]
Amid the global chip shortage, the competition for production capacity can be said to be the only way to win is speed. As the leading foundry in mainland China, SMIC's pioneering layout has borne fru...[Details]
1. Connect the virtual Linux system directly to the physical serial port 1. Start the virtual machine, enter the Linux system, and click the option in the virtual machine menu bar. Then click and...[Details]
Today's cars have undergone many changes compared to 20 years ago. Especially with the development and popularization of electrification and intelligence , the two major parts of traditional cars (en...[Details]
Analysis of the corresponding relationship between the open circuit voltage and battery capacity of lithium-ion batteries
First, a table is given: as follows, the percentage is the remain...[Details]
The Wall Street Journal website recently published an article titled "From tablets to sex toys, chip shortages have far-reaching impacts," saying that the global chip shortage has made it difficult f...[Details]
American foreign capital pointed out in a report today (19) that passive component manufacturer Yageo will reduce the price of chip resistors of its distributors in Greater China by about 10% from Se...[Details]
With the rapid development of cities and economy in the mainland, urban lighting traffic safety and lighting art projects have received more and more attention. At the same time, in order to meet t...[Details]
On November 10, 2022, WPG Holdings, a leading semiconductor component distributor dedicated to the Asia-Pacific market, announced that its subsidiary Quan Ding launched
a three-microphone call ...[Details]
As the new four modernizations enter the "second half" of intelligentization, intelligent driving and intelligent cockpit have become the hottest topics in the industry. However, many people tend t...[Details]