[align=left] UL2056 is a safety standard for mobile power terminal products launched by the United States. UL 2056 responds to the global demand for safety standards for mobile power, protects consume...
I refer to the launchpad pocket experiment platform guide. But I use the last 4 bits of P1 to interrupt and P6 to connect to the LED display, but it doesn't work. It's not an entry level, please corre...
[align=left][font=微软雅黑]Key points of DDR hardware design[/font][/align][align=left][font=微软雅黑]1. Power supply DDR power supply can be divided into three categories: [/font][/align][align=left][font=微软...
I am so depressed. My desktop computer is connected to the wireless network, but I can't open the web page. My mobile phone can access the Internet normally....
Hello everyone, I would like to ask a question. I use the 2.0 and 2.1 ports of 430f449 to simulate the serial port, 2.0 for output, 2.1 for input. Turn on the SEL of 2.1, and then use TIMERB0 to captu...
I would like to ask about the HDMI decoding chip. An E2PROM is connected to the I2C interface of HDMI, and the I2C is connected to the decoding chip. Without this E2PROM, the decoding chip cannot reco...
1. Introduction
This design was made for participating in an electronic design competition. It effectively solved the problem of the operation and control of an electric car on a seesaw. The s...[Details]
With the advent of increasingly powerful processors, image sensors, memory, and other semiconductor devices, as well as the algorithms that enable them, computer vision can be implemented in a wide...[Details]
Analog engineers have traditionally struggled with complexity when designing power supplies that required multiple outputs, dynamic load sharing, hot-swap, or extensive fault-handling capabilities....[Details]
The reason for the light decay of white LEDs: the decline of phosphor performance
So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
We know that microcontroller development tools generally include real-time online emulators and programmers. Among them, online emulators are very good tools, but they are also more expensive...[Details]
I. Introduction
Since RS232 has a short communication distance (only 15 meters according to EAT/TAI-232 standard), and can only perform point-to-point communication, it cannot directly f...[Details]
Digital array radar (DAR) uses digital beam forming (DBF) in both receiving and transmitting modes to achieve flexible distribution and reception of RF signal power in the airspace, obtain excellent t...[Details]
TC9012F is a universal CMOS large-scale integrated circuit for infrared remote control signal transmission, suitable for remote control of TV, VTR, laser player and other equipment. In the market, ...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]
As people's requirements for safety and comfort in the process of driving cars continue to increase, automotive radars are widely used in the car's adaptive cruise system, collision avoidance syste...[Details]
1. Overview
At present, an information revolution is in the ascendant around the world, led by microelectronics, computers and communication technologies, and centered on information technolog...[Details]
1 Introduction
With the improvement of people's quality of life, lamps are no longer just basic indoor lighting tools, but also a kind of practical art for architectural decoration. When ther...[Details]
With the rapid development of cities and the improvement of citizens' living standards, the number of various vehicles in cities is growing, and the demand for parking spaces in major commercial an...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]