When I tested all the ports, I found that portj4~7 could not flip normally. Portj0~2 flipped normally. All the pins of portj were only connected to SIP single-row pins. The following is my test proced...
If there are three tasks A, B, and C with the same priority, based on the round-robin calling strategy. A creates a semaphore, B does not use this semaphore, and C is waiting for this semaphore and is...
I made a homemade board with ZYNQ7000 045 FPGA. Vivado cannot recognize the FPGA using JTAG (displays No devices detected on target). I checked the power supply and clock and they are all fine. POR_B ...
I accidentally found a cheap downloader on Taobao for only 88 yuan. The key speed is 8 times higher than Platform Cable USB .
I don't know what the mentality is for people who spend money on low-end P...
I recently designed a PCB and used the MOD4-1.1 package (which comes with protel), but after a while I forgot the location of this package library. Is there any way to find it?...
Some time ago, I attended the 4th Energy Chemistry Forum of the Chinese Chemical Society and learned about high-energy-density and high-safety batteries. I would like to summarize and share this wi...[Details]
When we travel in cities, we all find that electric vehicles have many advantages. As a means of transportation, they can also fulfill their mission well. Now, more and more residential communities...[Details]
Electric motors and internal combustion engines of the same power have similar torque levels. High power requires high torque, and torque determines a vehicle's acceleration speed, commonly known a...[Details]
Is pure electric vehicles a false proposition for long-distance driving? At least from my personal perspective, based on current technological and infrastructure standards, I believe so. Below, I'l...[Details]
The most significant feature of IPS panels is that both electrodes are located on the same surface, unlike other LCD panels, which have electrodes arranged on top and bottom surfaces in a three-dim...[Details]
Topics: Bring Your Own Device (BYOD) trends; the impact of using employees' own mobile devices to control access to work facilities and equipment on information security; and ways to securely imple...[Details]
With the increasing number of new energy vehicles on the road, the deployment of supporting facilities for these vehicles has accelerated, and new energy vehicles have gradually entered the vision ...[Details]
Based on the commutation technology, thyristor rectifiers are classified into two main types. Line-commutated and force-commutated inverters are commonly used, while other commutated inverters, nam...[Details]
Reflow soldering is one of the most commonly used methods in electronics manufacturing, allowing for the soldering of large numbers of components in a relatively short time. However, any experience...[Details]
On August 22, the Wall Street Journal reported on the 21st local time that the new US government does not plan to acquire equity in semiconductor wafer foundry giant TSMC and Micron, one of the thr...[Details]
With the advancement of science and technology and the promotion of green, energy-saving, and circular development, the demand for precise control and accurate measurement is increasing. In the pow...[Details]
"I want to ask why there are so many manufacturers making mobile phone CPUs, but only Intel and AMD make computer CPUs?"
The progress of domestic PC CPU production has disappointed many ...[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]
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]
As my country's industrialization continues to improve, environmental pollution is also facing tremendous pressure. In recent years, national environmental protection policies have become increasin...[Details]