First burn eboot.nb0 into flash. When debugging, NK.bin is always transferred to ram through the network. Now I want to burn it into flash. Every time after burning, the system cannot start. The print...
Hello everyone: In order to reduce the workload of hardware development, I need to choose an industrial control board that provides GPRS/CDMA+GPS functions. I browsed the Internet, but I didn't find a...
[size=4]I would like to ask about the specific work content in the company in the future for microelectronic device direction (not process and design direction) [/size][color=rgb(68,68,68)] [/color][c...
Using AD9516-3 chip: 1. Input 25MHz into REF1 channel, OUT0 output 80MHz, the amplitude is only 200mV 2. Reduce the output frequency to 40MHz, the amplitude increases to 500mV Why can't the output amp...
The house is rented, it's not big, there's no decent table in the whole room, just a wide window sill, barely used as a table, with a bunch of messy things piled up... I don't have many hobbies, just ...
Advantech PCL818HD data acquisition card does not have this kind of connection and cannot be tested. I have bought it and it is not refundable or exchangeable. It costs 300 yuan and shipping is not in...
The rapid development of the Internet has realized high-speed information transmission and resource sharing, greatly facilitating people's lives. Embedded systems are widely used in various electr...[Details]
0. Introduction
In daily life, we often see some special-purpose vehicles. When these vehicles pass through intersections, they often obtain the right of way at intersections by temporarily op...[Details]
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
introduction
Solar cells and LED lighting are typical applications of new energy and energy-saving and efficient technologies. Solar LED lighting uses solar cells to convert solar energy...[Details]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[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]
Vertical cavity surface emitting lasers (VCSELs) are gradually replacing traditional edge emitting lasers, especially in low bandwidth and short-distance communication systems where cost factors ar...[Details]
With the advocacy and implementation of the government's Safe City Plan, the security market has increasingly higher requirements for the clarity of surveillance images. Imagine that after a case o...[Details]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]
In today's body control module (BCM) designs, savvy engineers are moving away from electromechanical relays whenever possible. Their next step is to eliminate fuses. But is eliminating fuses a nece...[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]
The DisplayPort interface standard is approved by the Video Electronics Standards Association (VESA) to provide an open, scalable standard for the entire industry. The development of DisplayPort ca...[Details]
LED is now known as the fourth generation of light sources. High-power LED has many advantages over traditional light sources in outdoor lighting.
1 LED lamps have high light efficiency
C...[Details]
Leakage current is generated by parasitic resistance paths between the measurement circuit and a nearby voltage source. This current can significantly reduce the accuracy of low current measurement...[Details]
summary
This article will briefly analyze the success and shortcomings of high-frequency DC-DC switching power supplies in the process of miniaturization (the second basic goal), and propose m...[Details]