Today is a special year. The outbreak of the new crown made the beginning of 2020 seem to be frozen. After the efforts of the whole nation to fight the epidemic, we finally achieved a phased victory a...
[Source: Securities Times] "If someone says that this car can run 1,000 kilometers, can be fully charged in a few minutes, is extremely safe, and has a very low cost. Then everyone doesn't have to bel...
Fascia gun Type-C fast charging solutionThe fascia gun mainly acts on the deep muscles by generating high-frequency vibrations, thereby reducing local tissue tension, promoting blood circulation, rela...
1. Function of signal filter: Differences and similarities with power filter: 2. Impedance calculation of LC series and parallel circuits, amplitude-frequency relationship and phase-frequency relation...
For an oscilloscope, bandwidth, sampling rate and memory depth are its three key indicators. If the sampling rate, which is a key indicator of an oscilloscope, is insufficient, what impact will it ha...[Details]
Industry statistics show that due to the lack of orders and the downstream reduction of inventory, there is a situation of oversupply. The shipment volume of large-size LCDs in Q3 2010 decreased by...[Details]
On the morning of January 15th, according to a report from the French website iPhoneSoft, Netflix is trying to support Apple's "spatial audio". Spatial audio is an audio experience developed...[Details]
Accenture is a leading global management consulting and professional services company headquartered in Ireland. Since it was first listed in the Fortune Global 500 in 2016 at 312th place, it has ...[Details]
According to foreign media reports, scientists at the Oak Ridge National Laboratory in the United States are looking for safe, stable and efficient advanced materials to extend the service life of ba...[Details]
For LCD monitors, the lamps are usually installed on lamp holders. When replacing, you only need to remove the shielding iron cover at the lamp position on the back of the display screen, and the l...[Details]
This evening, the Shanghai Stock Exchange issued a "Supervisory Work Letter on Matters Related to Semiconductor Manufacturing International Corporation." It is understood that the regulatory letter...[Details]
There are many types of virtual instrument buses, including GP-IB, serial port, parallel port, USB, IEEE-1394, DAQ, VXI and PXI, among which VXI and PXI are two commonly used bus types. GP-IB bus is a...[Details]
Basic knowledge of lead-free solder
1. The basis of welding operation
① The purpose of welding operation:
(i) Mechanical connection: connect two metals and fix them.
...[Details]
In one of my products, there are two chips, AVR and PIC, at the same time. When AVR drives the relay, then drives the contactor. PIC is used for display. I found that PIC actually has a little interf...[Details]
The Lexus UX300e released at the Guangzhou Auto Show is the first e-TGNA model we have seen with detailed battery system and vehicle parameters. We can talk about what the details of this system refl...[Details]
Electricity from sunlight is a truly "green" and cheap energy source, but requires an energy conversion system based on photovoltaic (PV) cells and storage devices (such as batteries). PV or solar ...[Details]
In 2022, the global installed capacity of power batteries will reach 517.9GWh. According to BNEF (Bloomberg New Energy Finance) forecast, the global power battery market demand will reach 4.8TWh in...[Details]
1. Decide where to compile your kernel First, you need to decide where to compile your ARM Linux kernel. Your HOME directory is a good place to compile the kernel. If you want to use another director...[Details]
Due to insufficient IO ports, it is necessary to reuse JTAG as an IO port and retain the SWD function to debug the program. The settings are as follows: GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGD...[Details]
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