When I compile BSP, the following error occurs. What is the reason? [color=#FF0000]BUILD: [00:0000000078:ERRORE] \WINCE500\PLATFORM\SMDK2440A\Src\Drivers\Display\ has sources file and dirs file.[/size...
[table=98%] [tr][td]The circuit is shown in the figure: The microcontroller generates an SPWM wave which is inverted and filtered to generate a sine wave that drives the dynamic speaker to make sound!...
The problem of ultrasound penetrating several materials at the same time
Ultrasonic distance measurement and thickness measurement both refer to the process of sound waves penetrating one medium and r...
Content Introduction This book is a practical guide to the engineering design of switching power supplies. It introduces various knowledge often used in the actual design and debugging of power suppli...
I'm using an x860 pc104. Once, the device hadn't been used for a few months. After I powered it on, it said that the hard drive could not be found. After I re-inserted the hard drive, it powered on ag...
To make the digital tube light up one bit at a time... For example, when the power is turned on, six 8s are displayed... When a simple key is pressed, only one bit is lit and displayed as 0. When it i...
Hardware designers have begun to adopt FPGA technology in high-performance DSP designs because it can provide 10-100 times faster computing than PC-based or microcontroller-based solutions. Previou...[Details]
0. Introduction
In daily life, we often see some special-purpose vehicles. When these vehicles pass through intersections, they often obtain the right of way at intersections by temporarily op...[Details]
Due to the significant increase in electronic devices in automotive and industrial applications, the automotive and industrial markets continue to play an important role in China's electronics in...[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]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
Traditional
virtual instruments
consist of a data acquisition
board
based on PCI bus and
corresponding software. However, with
the rapid development of
computer
network techno...[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]
Analysis of the three core aspects of digital TV transmission standards
According to the differences in regionality, transmission method and modulation method, the transmission method needs to...[Details]
Fruit planting is an important part of China's agricultural development, and fruit tree pest control operations are becoming more and more important. At present, the overall level of pesticide applica...[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]
LED is now known as the fourth generation of light sources. High-power LED has many advantages over traditional light sources in outdoor lighting.
1 LED lamps have high light efficiency
C...[Details]
At present, with the diversification of portable products and the almost harsh requirements for audio and video parts, the power consumption requirements of the whole machine have been raised to a ...[Details]
Mobile phones, MP3s, tablet computers, laptops, digital cameras, handheld game consoles, navigation devices, etc., all these mobile devices are powered by mobile batteries, and the battery life is ...[Details]
This article focuses on closing the feedback loop of an isolated power supply using a TL431 shunt regulator. The article discusses a method to extend the bandwidth of the power supply control loop ...[Details]
The power consumption of a switching power supply includes fixed losses caused by parasitic resistances such as semiconductor switches, magnetic components, and wiring, as well as switching losses ...[Details]