Friends who need information or have questions, as well as friends who have good information to share with everyone, please come to Q group 17983715. Mainly for IC beginners...
After receiving the tq2440, this yc2440 board is no longer used. I powered on the board and checked it. Except for the POWER light, D1-D4 are all on. After a while, D3 goes out, D4 is always on, and D...
[font=Microsoft YaHei][size=4]Here is a very simple stepper motor motion control, and it is suitable for friends who have never used stepper motors. There are many problems in using stepper motors. Fo...
In the previous article, I shared how to use Transmission to build a PT high-speed download server, which can be used to download media resources.
After successfully downloading the media resources, w...
It is increasingly clear that insecure embedded systems threaten every person and every company. For example, an individual's sensitive financial and medical data can be stolen, a company's products c...
I recently discovered a very strange problem: when using DNW to burn the system, first burn xip.nb0, and then burn eboot.nb0. But at this time the system will automatically restart and load the previo...
PV DC fuses are safety devices used to protect PV panels, inverters, and DC loads. To ensure their safety and reliability, they must be UL248 certified.
Before applying for UL248 certifi...[Details]
On August 24th, Jin Yuzhi, CEO of Huawei's Intelligent Automotive Solutions BU, announced the first automotive application of Huawei Qiankun's unique Limera technology. This technology eliminates t...[Details]
Tesla and BYD, vying for dominance in the global electric vehicle market, are reportedly considering adopting Samsung's AMOLED (active-matrix organic light-emitting diode) technology for their next...[Details]
A parallel inverter consists of two thyristors (T1 and T2), a capacitor, a center-tapped transformer, and an inductor. The thyristors provide a current path, while the inductor L maintains a consta...[Details]
introduction
With the development of digital and network technologies, broadcasting technology has become increasingly diversified, with the most significant trend being the transition from an...[Details]
Electric vehicles are currently gaining momentum, but this is just a facade. Fuel-powered vehicles remain unchallenged. While electric vehicles boast unique advantages in environmental emissions an...[Details]
In recent years, many people have switched to new energy vehicles, and this type of vehicle has indeed been highly sought after and is considered the future direction of automobile development, and...[Details]
Multi-touch mobile phone
Multi-touch is a system that can respond to multiple touches on the screen at the same time. Multi-touch phones are divided into capacitive and resistive types. Capaci...[Details]
With the rapid advancement of automation technology, collaboration between robots is no longer just science fiction. Imagine dozens of machines moving goods in a warehouse without interfering with ...[Details]
On August 21, WeRide officially launched WePilot AiDrive, a one-stage end-to-end assisted driving solution developed in cooperation with Bosch. This comes only half a year after the two parties' "t...[Details]
In June 2014, the Ministry of Industry and Information Technology issued 4G FD-LTE licenses to China Unicom and China Telecom. Together with the 4G TD-LTE licenses issued to China Mobile, China Uni...[Details]
In daily life, power transformers have different functions and uses due to different usage scenarios. The most common ones can be divided into: control transformers, isolation transformers, rectifi...[Details]
1. Fault phenomenon and cause analysis
1. During the operation of the equipment, the expansion sleeve is subjected to a large torque, and the mating surfaces of the shaft and the sleeve move...[Details]
In the field of communications power supplies, AC/DC rectifier power supplies are called primary power supplies or basic power supplies, while DC/DC converters are called secondary power supplies. ...[Details]
Shenzhen Baowei Power Supply high frequency pure sine wave power, communication inverter power supply has two communication interfaces, RS232 and R485 interfaces, their functions and characteristic...[Details]
Test/Measurement
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