NXP's LPC3250 has floating-point processor, Ethernet and multi-layer matrix bus, which are very unique, but the operating frequency is only 266MHz. The operating frequency of S3C2440 can reach 400MHz....
If I want to make a simple MP3 player, which audio codec chip is better? Can you list a few more options? And their respective advantages and disadvantages, cost performance, and what is the current m...
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 20:01[/i] Bluetooth is a short-range wireless communication technology. Electronic devices can be connected to each other through Bluetoo...
I have seen some discussion on the forum before about whether the diode is active or passive. I would like to share the concept here and hope you can share your thoughts. What is the difference betwee...
Does the LM1117 series have a negative voltage? I have a few questions: 1. Is the 1117 series an LDO? 2. Does the LM1117 series have a negative voltage? I don't know much about LDO. 3. I don't know mu...
Now we need to isolate and sample the 0-25V DC voltage with an accuracy requirement of 1%. Due to the price of the Hall voltage sensor
It’s quite high, I hope to change to other isolation sampling met...
1. Introduction
Since the 1980s, with the continuous development of automotive electronic technology, there are more and more electronic control units in automobiles, such as electronic fuel i...[Details]
Do you often have to add brake fluid to your car's brakes? The fact that you need to pump out the brake fluid to make sure there is no gas in the brake fluid line may not be done by the car owner h...[Details]
No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[Details]
introduction
For the voltage regulator modules (VRMs) that power the latest computer central processing units (CPUs), power supply designers have historically used multiphase interleaved b...[Details]
For a long time, due to the limitation of hardware conditions, the display devices of traditional small handheld devices such as PDA are usually monochrome LCD, and the user interface is very simpl...[Details]
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[Details]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[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]
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]
Abstract: The output of high-range acceleration sensor is less than 10 mV under the excitation of small signal. The noise of traditional test system may cover such small voltage signal, so that hig...[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
There are many types of sensors, and the working principles, measurement targets and measurement environments of different types of sensors vary greatly. The corresponding detection s...[Details]
Abstract: In order to realize wireless automatic alarm and monitoring of major safety places, based on the basic principle of pyroelectric infrared sensing, a detector for receiving infrared radia...[Details]
1 Development of LED Film and Television Lighting
1.1 The significance of developing film and television lighting
Lighting power consumption accounts for a large proportion of the total p...[Details]
The demand for improved healthcare environments is endless, so medical imaging equipment with higher resolution is needed to better observe the human body. High resolution brings problems with sign...[Details]
Embedded System
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