After years of preparation, the launch of 3G mobile phones is on the agenda. The design of 3G TD-SCDMA and WCDMA mobile phones is complex, and the partitioning problem poses a challenge to existing ba...
Wireless transmission has many advantages over wired transmission. Perhaps most importantly, it is more flexible. Wireless signals can be sent from one transmitter to many receivers without the need f...
When I update the text, the text sometimes flickers. Why? The text shows the time and is constantly updating. GetLocalTime(&time0); CString str; str.Format(_T("Year Month Day:%04d:%02d:%02dTime:%02d:%...
I recently saw a definition where several different variables were defined as byte data types, but the number of bytes they occupied was 1, 8, or 16. However, I checked the standard C and found no suc...
I designed a power supply and need an overcurrent protection circuit. Requirements: When the load is short-circuited, cut off the load. Output current <2A. Output voltage 0~9.9V [[i] This post was las...
The intelligent driving community has its own rhythm. Some are busy pushing new versions and focusing on R&D, others are busy with publicity and promotion, and still others are immersed in mass pro...[Details]
The jammer is a signal blocker, mainly composed of a chip and a radio transmitter. When the car owner presses the remote control lock button, the jammer interferes with the electronic lock receivin...[Details]
New energy vehicles are increasingly popular with consumers due to policies and energy conservation. Once you've purchased your vehicle, maintenance is essential. However, due to the different powe...[Details]
Today's security industry has entered the era of massive networking. Many enterprises, especially financial institutions, have established multi-level video surveillance networking platforms. Lever...[Details]
On August 20th, Tiantai Robotics Co., Ltd., along with strategic partners including Shandong Future Robotics Technology Co., Ltd., Shandong Future Data Technology Co., Ltd., and Gangzai Robotics Gr...[Details]
In the summer of 2025, BlueOval SK, a joint venture between Ford and SK On, officially started production at its first battery factory in Kentucky.
According to the original plan, this w...[Details]
The automotive industry in 2025 is undergoing a thorough intelligent reshuffle.
Geely wants to make changes in the field of AI cockpits: in the future, there will be no traditional smart...[Details]
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With the further development of electronic technology, electronic pets have gradually entered people's family life. At present, there are two main categories of relative...[Details]
The digital TV set-top box consists of a tuner, QAM demodulator, TS demultiplexer, MPEG-2 decoder, PAUNTSC video encoder, embedded CPU system and peripheral interfaces, CA module, and uplink data m...[Details]
With the development of science, the use of variable frequency technology is becoming more and more widespread, and it is used in both industrial equipment and household appliances. Inverter air co...[Details]
The practice of warming up a car originated with gasoline-powered vehicles. Warming up the engine allows it to enter a better working state and ensures good lubrication. This has become a habit for...[Details]
With the gradual popularization of new energy vehicles in recent years, more and more people have been able to access and purchase electric vehicles. The structure of electric vehicles is composed ...[Details]
Charging is an essential topic for electric vehicles. Batteries are a core component of new energy vehicles. So, what's the optimal charge level for electric vehicles? Based on current battery tech...[Details]
The Waveshare ESP32-P4-ETH is a compact ESP32-P4 development board with Ethernet and PoE support. It looks very similar to the Olimex ESP32-P4-DevKit, minus the pUEXT connector. However, we've also...[Details]
ESD protection diodes are specialized for small-signal ESD protection or surge protection TVS arrays, often used for multi-circuit protection. Their small package size, low on-state voltage, high i...[Details]