I use deviceiocontrol to send a SCSI_PASS_THROUGH command to the device. The function returns 0, which is normally non-zero. However, the device has received the command. I want the returned result. I...
I use DXP. I want to ask about the grid and solid grounding in PCB. I don't understand the difference between them. Where should they be used? Also, I want to ask if there is any electronic group beca...
[font=仿宋, 仿宋_GB2312][size=5] You may feel confused when you see this topic. What should I design? In fact, I am also confused. Because I want to choose a power chip with an input voltage of 12V (compa...
PXA270 has three UARTs, all connected to MAX3073 as serial ports. Strangely, I have used struct resource to create a resource list, but after Linux is running, using cat /proc/interrupts, only the fir...
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]
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]
Have you ever heard stories about "crazy appliances"? Think of microwaves that turn on automatically or ovens that preheat without any human input? With radios and electromagnetic interfaces ubiqui...[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]
Introduction: Traditionally, lead-acid batteries have primarily been used to provide backup power and power regulation based on location. In typical applications, the battery's actual use (discharg...[Details]
Wireless Communications
Ethernet protocol
Touch screen and 200Smart
In real-world systems, multiple PLCs are distributed throughout a single workshop, centrally controlled by a...[Details]
The World Conference (WC 2025) recently opened in Shanghai. This year's event, covering over 70,000 square meters for the first time, attracted over 800 exhibitors, showcasing large models, AI term...[Details]
Oslo, Norway – August 18, 2025 – Nordic Semiconductor ("Nordic"), a leading global provider of low-power wireless technology, announced that it will participate in the International Internet of Thi...[Details]
LiDAR technology continues to improve how robots and autonomous systems perceive, react, and operate safely in a variety of environments. While the technology has been around for decades, recent ...[Details]
In recent years, smartphones have integrated more and more functions, but in terms of basic audio amplification applications, there is still room for further improvement in performance and user aud...[Details]
Amid the automotive industry
's shift toward
intelligent
driving, in-vehicle voice systems are undergoing a profound transformation in their interaction paradigm. As
the core interactive en...[Details]
Ligong Technology and Qiuyuan Electronics have implemented a new single-point Channel Sounding + multi-node monitoring Bluetooth car digital key solution based on the Bluetooth 6.0 certified KW47 c...[Details]
Preface
Portable electronic products are all powered by batteries. With the rapid development of portable devices, the use of various batteries has increased dramatically, and many new types o...[Details]
Who is actually against lidar?
For some LiDAR manufacturers, in addition to their "arch-rival" pure vision solutions, there is also the price of the LiDAR product itself.
...[Details]
Do you remember how simple cars used to be? Dashboards with analog dials and gauges that showed basic functions like fuel, temperature, and speed? If there was a problem with the engine, the oil li...[Details]
RF/Wirelessly
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