An ideal power system should supply power to users at a constant frequency (50Hz) and sinusoidal waveform at a specified voltage level (nominal voltage). In a three-phase AC power system, the voltage ...
Dear Seniors, I saw an ARM instructional video on Youku that mentioned that the ARM core chip requires a 6-layer board layout. Is it because of high-frequency interference? If so, would it not be suit...
Question: The following is the apc insertion code, which is to execute the ring3 level program in the kernel. After compiling with DDK, it can be executed successfully, that is, the ring3 level progra...
When using the RSL10-002GEVB board, the first thing I did was to look for the official information. I didn't expect that the official getting started guide was inconsistent with the actual situation. ...
dql2016onsemi and Avnet IoT Innovation Design Competition
What does this statement mean? It is often used when testing wince drivers: g_pKato->Log(LOG_PASS, TEXT("Simple ReadWriteTest succeeded")); g_pKato does not have any relevant definition?...
[i=s]This post was last edited by Hot Ximixiu on 2020-12-1 22:05[/i]msp430g2553 has 8 external channels for input. The following program will complete the 3-way input to control the on and off of 3 LE...
1 Introduction
The high temperature tester is mainly used for temperature tracking measurement and data acquisition during the heating process. By systematically analyzing the test data, the...[Details]
System design is a complex process. It is not enough to just use ICs. There are many details to consider. This article uses a high-fidelity music playback system as an example to introduce how to s...[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]
1. Background:
The instrument system parameter detection and control of the chemical production workshop of Tangshan Coal Gas Coking Plant are all analog instruments, some of which are eve...[Details]
Today, with energy becoming increasingly scarce, the utilization of natural energy has become the focus of people's attention. Among various natural energies, the endless solar energy is highly fav...[Details]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[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]
In the "digital pressure measurement" experimental device of applied physics, the subject technical knowledge of analog circuits, digital circuits, sensors and single-chip microcomputers is used. In o...[Details]
1 What is an LED floodlight?
LED downlights are also called spotlights, projection lamps, and spotlights. They are mainly used for architectural decorative lighting and commercial space lighti...[Details]
The emergence and development of street lamps are inseparable from the prosperity and progress of cities, which makes street lamps useful. Conversely, street lamps also make the night of the city n...[Details]
Every time I go home and walk up the stairs, I am always scared. The corridor lights are often broken, and no one changes the bulbs, or they are not smart enough and need to be operated manually. E...[Details]
People who often surf the Internet until late at night, their families always complain that turning on the big lights in the living room affects their rest, but some people don't have keyboard ligh...[Details]
The capacity of a battery depends on the amount of charge and discharge, in addition to some factors of the battery itself. Obviously, if the charge and discharge of the battery can be recorded all...[Details]
Direct digital frequency synthesis (DDS) has fast frequency switching and modulation capabilities and is widely used. However, when low power consumption and low cost are the main considerations, D...[Details]
Dual Tone MultiFrequency (DTMF) signaling is gradually being used in push-button telephones around the world. It quickly replaced the dial pulse signaling used in traditional rotary phones because ...[Details]
Industrial Control Electronics
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