As shown in the figure above, in a 4-layer PCB stack, why can the differential line refer to the third layer (Power layer)? I understand that ordinary single-ended signals must be referenced to the gr...
I finished drawing the schematic diagram using protues software. After converting it into PCB diagram, I found that only the buzzer was not packaged. After checking online, I found that I had to draw ...
The direction of the signal on the middle line is from slave to master. Does it mean that the slave controls the UCxSTE bit of the master?
But I think it should be manually decided in the program whet...
This article provides some basic knowledge of automobile body design, which is suitable for learning and training of relevant departments in the automobile industry. Main contents: Main components of ...
Please help me look at the next program, which is to clear the RAM from 0200H to 05FFH!Is this correct? Because it feels like it should be written. Shouldn't Address be +2 each time?unsigned int *ptr;...
I used the Wildfire ov7725 camera to display the image on the LCD screen, but the distortion was so severe that it was unusable.[img]https://s1.328888.xyz/2022/05/11/HIofe.jpg[/img]
[img]https://s1.32...
Assume that data is read from 8-bit AD (if it is a higher-bit AD, the data type can be defined as int), the subroutine is get_ad();
1. Limited secondary filtering
/* A value can be adjust...[Details]
1 Introduction
A wide variety of communication cables and control cables are widely used in various instruments and control equipment. Whether the cable is well-conducted and
whether
th...[Details]
Floating-point digital signal processing has become a constant requirement for precision technology, often in applications requiring high accuracy in areas such as aviation, industrial machinery, a...[Details]
1 Introduction
Solar street lights are mainly composed of four parts: solar photovoltaic cell components, batteries, charge and discharge controllers, and lighting fixtures. The bo...[Details]
Images in science fiction movies often break through the limits of reality, such as in the movie "Minority Report." Tom Cruise uses a multi-touch screen to browse information. Capacitive sensing te...[Details]
MediaTek (2454) announced the acquisition of F-MStar (3697) and attracted the attention of IC design industry. This morning, Gartner Semiconductor Industry Research Director Hong Cenwei analyzed ...[Details]
Xiaomi, a well-known Internet phone in mainland China, won a million-unit order contract from China Unicom on November 20 last year, which made Xiaomi famous in mainland China. In April this year...[Details]
General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[Details]
Overview
In spectral measurement, photomultiplier tubes (PMT) and charge-coupled devices (CCD) are often used as photoelectric converters. PMT is used in slow-changing, high-precision spectral...[Details]
introduction
MEMS is a high-tech that has flourished on the basis of integrated circuit production technology and dedicated micro-electromechanical processing methods. Pressure sensors develop...[Details]
According to the Industrial Technology Research Institute of Taiwan, due to factors such as the oil crisis and global warming, the issues of energy conservation and environmental protection have at...[Details]
Introduction
As the country increases its efforts to control the atmospheric environment, motorcycle emission regulations will become stricter year by year, and motorcycles that do not meet the...[Details]
Introduction
X1226 has the functions of clock and calendar. The clock relies on hour, minute and second registers to track, and the calendar relies on date, week, month and year registers to tr...[Details]
A few days ago, I bought an 8LED flashlight in the market (the flashlight uses No. 5 batteries). Because I had other things to do, I didn't pay attention when purchasing it. When I got home and use...[Details]
In order to develop lighting LED technology, developed countries attach great importance to the research of LED testing methods and standards. For example, the National Institute of Standards and T...[Details]