1. Hot air leveling The general process of hot air leveling is: micro-etching → preheating → flux coating → tin spraying → cleaning. Advantages: longer storage time; after the PCB is completed, the co...
I use MATLAB to do image processing algorithms. My QQ number is 64847806. I have encountered several problems. Please help me. The first thing I need to do is to use Gaussian low-pass filtering to sha...
u-boot_smdkv210 Analysis 5: Hardware boot process 1. Power on and start irom and iram are located at address 0xD0000000. Since address 0 is a mirrored region depending on the boot mode, it will direct...
This article is based on the Xunwei-IMX6ULL Terminator Development Board. We are very familiar with software download and installation under Windows system. In this section, we will learn about softwa...
The pyroelectric infrared sensor module is powered by square wave pulses, so that the infrared module will be turned on for a period of time and then turned off for a period of time. Will it re-detect...
As the title says, I would like to ask the experts: 1. Waking up is equivalent to performing a hot restart, and some initializing needs to be redone. What are the specific initializations? 2. So when ...
PV DC fuses are safety devices used to protect PV panels, inverters, and DC loads. To ensure their safety and reliability, they must be UL248 certified.
Before applying for UL248 certifi...[Details]
A line scan lens is an industrial lens used with line scan cameras. Its imaging principle is to capture the image of the workpiece using a linear sensor and then perform digital signal processing t...[Details]
Electric vehicles are currently gaining momentum, but this is just a facade. Fuel-powered vehicles remain unchallenged. While electric vehicles boast unique advantages in environmental emissions an...[Details]
To understand why car engines need gearboxes, we must first understand the characteristics of different types of engines. An engine refers to a machine that can convert a form of energy into kineti...[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]
According to foreign media reports, secondary battery materials company POSCO Future M announced that it has successfully developed two experimental (prototype) positive electrode materials for the...[Details]
With the rapid advancement of automation technology, collaboration between robots is no longer just science fiction. Imagine dozens of machines moving goods in a warehouse without interfering with ...[Details]
This paper proposes a temperature real-time transmission and display solution based on LED optical data transmission, with Jingwei Yager low-power FPGA HR (Yellow River) series as the main controll...[Details]
Electric vehicles are powered by electricity, and charging is a device that supplements the vehicle's energy source. It is common to need to recharge the vehicle when driving. But can you charge th...[Details]
UPS stands for Uninterruptible Power Supply, which includes energy storage devices. It is mainly used to provide uninterruptible power supply for devices that require high power stability.
...[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]
In daily life, power transformers have different functions and uses due to different usage scenarios. The most common ones can be divided into: control transformers, isolation transformers, rectifi...[Details]
A pure sine wave inverter has a good output waveform with very low distortion, and its output waveform is essentially the same as the AC waveform of the mains power grid. In fact, the AC power prov...[Details]
Wearable technology is taking off, with applications evolving rapidly, from smartwatches to fitness trackers and even smart wigs! Bluetooth Smart is at the center of this revolution. This is the se...[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]
PCB Design
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