Abstract: This article mainly introduces the differences, functions and some selection methods of Class B and Class C lightning protection in low-voltage distribution systems. It introduces the workin...
[font=宋体][size=3][color=#000000] [align=left]Thanks to the forum friends for their active cooperation, this questionnaire survey has received a lot of opinions. In response to some of the opinions and...
This program is a switch program that controls the power supply of the three phases of the motor. temp=srd_active[0]+(srd_active[1]*2)+(srd_active[2]*4)+(work_mode*8)+(pwm_mode*16); *ptrACTIVE=temp; A...
I made a small program, and wrote the following statement in the last sentence of while(1):_BIS_SR(SCG1+SCG0+CPUOFF+GIE);I thought it should be in sleep mode, but when I measured the current with a me...
As of yesterday, the first batch of 12 development boards have all been transferred out, and today they have all been packed and sent out. See the photoThe development boards and gifts are as follows:...
Current Development Status of DVR Market
A DVR, or digital video recorder, uses a hard disk for recording, unlike traditional analog video recorders. It's often called a DVR because it's a com...[Details]
introduction
Sonar imaging is of great significance in marine resource development and defense. Its long range, intuitive display of the observed area, and target identification make it widely...[Details]
1. Multi-channel DAC technology bottleneck
Currently,
the development of multi-channel DAC technology focuses on two core challenges.
First, industrial applications urgently ...[Details]
0 Introduction
With a rapidly aging population, a young couple is now required to care for an increasing number of elderly people, leading to a growing difficulty in providing care for them. E...[Details]
Pure electric vehicles have experienced rapid growth in recent years, and many consumers now consider them as a top choice when purchasing a car. But do you know how to choose a satisfactory and sa...[Details]
We know that the power output by the engine does not directly act on the wheels to drive the car, but needs to pass through a series of power transmission mechanisms. So how is the power transmitte...[Details]
Abstract: This design uses field-effect transistors to create a tube-like audio power amplifier. The preamplifier uses a single Class A transistor, while the power stage utilizes Class AB push-pull...[Details]
According to reports from Xinhua News Agency, Tianjin University official website and other media, Chinese researchers have recently broken through the bottleneck of energy density and application ...[Details]
1. Output power. Rated power (RMS): Rated power refers to the sinusoidal alternating power that the amplifier can withstand for a long time. Maximum undistorted power...
2. Frequency response:...[Details]
1. When the variable frequency motor stops, the heat source is gone, and the radiation and heat conduction functions of the heat dissipation components themselves are sufficient to ensure that the ...[Details]
On August 14, Chinese researchers broke through the bottleneck of energy density and application performance of existing traditional lithium-ion batteries and developed soft-pack batteries with an ...[Details]
The battery in an electric car is related to the vehicle's performance. As one of the core components of the vehicle, the battery cell has become an important reference for evaluating the quality o...[Details]
IPTV, commonly referred to as digital television, has both similarities and differences.
1. Technical System:
The IPTV system, also known as interactive television, primarily consis...[Details]
Robots need localization algorithms to determine their position. These algorithms typically work in conjunction with sensor data to calculate the robot's position. For engineers and researchers, fi...[Details]
Many manufacturers are currently misleading when promoting their products. They're clearly LED-backlit displays, but they're simply referred to as LED displays. In reality, LED displays are fundame...[Details]
Power technology
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