I'm using a QQ2440V3 development board. I installed the USB driver according to the instructions. It shows "OK" in DNW, but ActiveSync can't connect to the PC. Does anyone know how to solve this probl...
What factors should be considered when designing a high-quality, stable power supply ? What details should be paid attention to? What are the design and processing tips?
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I use LPC1768 plus a Flash chip to simulate a USB flash drive. The FATFTS part has been successfully transplanted. For the USB part, I transplanted the USB code of MDK. Does anyone have the transplant...
1. Project Overview
1.1 Introduction
Currently, most music files are saved in MP3 format, a lossy audio compression format that cannot perfectly reproduce the original music. With the exp...[Details]
Is electromagnetic radiation from electric vehicles harmful to the human body? Recently, the issue of electromagnetic radiation from electric vehicles has garnered widespread attention. However, pu...[Details]
Capable of providing precise and efficient thermal management for artificial intelligence computing power, intelligent sensing and autonomous driving systems
Shenzhen, ...[Details]
With the rapid adoption of smart electric vehicles, automotive chips are evolving from auxiliary control units to the foundation of the entire vehicle's intelligence. Their applications extend from...[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]
Based on the commutation technology, thyristor rectifiers are classified into two main types. Line-commutated and force-commutated inverters are commonly used, while other commutated inverters, nam...[Details]
Coal mines typically contain gas and coal dust. When gas and coal dust reach a certain concentration, they can cause explosions. Electrical equipment generates arcs during normal operation or durin...[Details]
Bosch has released a new SoC series to support L2+ advanced driver assistance functions. The chip integrates high resolution and long-range detection capabilities, and has built-in support for neur...[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]
Bearing wear is a common equipment problem in the manufacturing industry. In today's world where controlling production costs is advocated, using repair technology to reduce the scrapping and repla...[Details]
No one expected that after about a day of downtime, four or five thermostats on the control panel would display four 0000s and flash. We knew it was caused by poor contact of the temperature sensin...[Details]
introduction
Whether in the automotive entertainment or home theater system markets, consumers continue to demand more channels and speakers, each capable of handling higher audio po...[Details]
Electronic scales are a product of modern electronics development. Due to their simplicity, convenience, and high precision, they are widely used in various fields of industry and daily life. Based...[Details]
1. Basic structure and working principle of centrifugal pump
1. Centrifugal pump water pump relies on the high-speed rotation of the impeller to make the fluid obtain greater kinetic energy, a...[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]