[i=s]This post was last edited by VincentLee90 on 2019-10-13 21:34[/i]Some problems encountered when using spartan6 PLL IP CoreProblem 1 : The external clk is used as the global input clock to provide...
Dangdang.com is having a discount promotion again, and I couldn't help but buy it again. I happened to see the administrator online, so I considered using E coins to exchange for 6 books, which is not...
How can I most effectively avoid arcing damage to the two contacts when the two contacts of the relay in an electric energy meter are opened or closed?...
What is a wireless network?
Generally speaking, Wi-Fi refers to wireless LAN technology that utilizes the IEEE 802.11 standard for communication. Wi-Fi products use radio waves to transmit data from c...
Hello, I have a biological weak signal of 10uA, frequency 1K, amplitude not exceeding 0.5V. I want to use RC522 to send itto the corresponding mobile phone and display the current value through a dedi...
Introduction As the laptop backlight that everyone is familiar with is composed of many LED lamp beads, the color difference problem is becoming more and more obvious. If the LED lamp beads used are ...[Details]
According to a report by TechPowerUp, Intel is developing a 700 series chipset motherboard that only supports the 13th generation Raptor Lake processors. Although DDR4+DDR5 memory controllers are sti...[Details]
This is the circuit design of a 21W Class AB audio amplifier with power transistors as the main part. It is simple in design and also simple to set up. Set the 10k trimmer to about half and the 470...[Details]
Transformation ratio test is a must-do item in the handover test of power transformers . Its purpose must be known to many power engineers. The simplest way to test the transformation ratio is to use...[Details]
On the morning of September 22, Apple is expected to officially release the iPhone 12 in October. As the release date approaches, various leaks are coming out. The leaker @L0vetodream (are you kiddin...[Details]
According to the latest issue of ACS Nano, a journal of the American Chemical Society, researchers from the University of Illinois at Chicago (UIC) successfully used graphene to detect the new corona...[Details]
The typical circuit of the switching power supply made of UC3842 is shown in Figure 1.
Overload and short circuit protection is generally achieved by connecting a resistor (R4) in series w...[Details]
Abstract: Hash is an important storage method and also a common search method. It refers to establishing a certain correspondence between the storage location of the record and its keyword. This arti...[Details]
While advances in automotive technology, including crash structures, airbags, brakes and tires, have helped improve vehicle safety, we are still exposed to a variety of road risks. Moreover, these ri...[Details]
This is a schematic diagram of a motor drive Before understanding this picture, let us first understand the conduction principle of the H-bridge drive circuit. Assuming that when the motor rotate...[Details]
In accordance with the requirements of the "Industry Standard Conditions for Comprehensive Utilization of Waste Power Batteries of New Energy Vehicles" and the "Interim Measures for the Administrat...[Details]
If I had to answer this question in three words, it would be safer, safer, safer, and safer. Say it five times! As we all know, autonomous driving technology is divided into 5 levels. The higher th...[Details]
On the evening of October 22, at the HarmonyOS Night and Huawei's All-Scenario New Product Launch Conference, my country's first domestically produced mobile operating system, Huawei's HarmonyOS NE...[Details]