Hello everyone. Recently I saw a circuit, which is a bias circuit for an Innolux LCD screen. But I don't know how to get -7V and 16V? In addition, after I built the actual circuit, I found that it was...
This is a parallel voltage regulator circuit, but I don't understand how to judge whether the op amp is in the amplification state, and how the feedback circuit works? Please help experts:surrender:...
I use evc and want to achieve: store the data received every 0.1 seconds through the serial port and the data received by AD in a CList object, draw two curves according to the time points, and redraw...
Experts, please help me with a very urgent question. I use a C3 800 board to install WinCE6.0 to play videos, but MPG is not supported. What's the matter? I have selected AVI Fliter, MPEG-1 Parser/Spl...
The project requires the use of an RFID card reader under wince. This program queries every 200 milliseconds whether an RFID card is swiped (initiates an invitation). Now, there is a memory leak durin...
ISP devices, such as field programmable devices (FPGAs and CPLDs), do not require a programmer. Using programming kits provided by the device manufacturer, they employ a top-down modular design app...[Details]
With the rapid development of technology, automotive intelligence is increasing at an unprecedented rate. This not only enhances vehicle functionality and comfort, but also places higher deman...[Details]
We are entering a new era where people are increasingly affordably equipped with more electronic gadgets. Electronics have become essential to our lives. For example, the average consumer now owns ...[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]
Permanent magnets are essential components in a wide range of household and industrial devices. They are particularly crucial in the renewable energy sector, including electric vehicle motors. Curr...[Details]
1. Fault phenomenon and cause analysis
1. During the operation of the equipment, the expansion sleeve is subjected to a large torque, and the mating surfaces of the shaft and the sleeve move...[Details]
In the field of communications power supplies, AC/DC rectifier power supplies are called primary power supplies or basic power supplies, while DC/DC converters are called secondary power supplies. ...[Details]
01. Introduction
As in-vehicle networks migrate from the CAN
bus
to
Ethernet
, traditional millisecond-level synchronization accuracy can no longer meet the requirements of mul...[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]
Recently, I received a request to use OK1028A-C to output PWM square wave. However, I found that there was no relevant instructions on the OK1028 platform, so I started writing this article.
A...[Details]
On August 19, Huawei's Executive Director and Chairman of the Device BG, Richard Yu, shared a Weibo post about a conversation he had with a Zunjie S800 owner. The owner had driven over 5,000 kilome...[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]
As systems become increasingly used in industrial environments, industry safety requirements, as well as national and international safety regulations, need to be constantly updated to ensure a saf...[Details]
From August 8 to 12, 2025, the highly anticipated 2025 World Robotics Conference (WRC) will be held at the Beiren Yichuang International Convention and Exhibition Center in the Beijing Economic and...[Details]