(1) In VxWorks with a single CPU, the currently running task sends a message to notify other tasks or releases a semaphore, triggering a queue operation and placing the blocked task in the ready queue...
I have a question about S3C2440 SPI receiving. The program code is as follows. I can capture the correct waveforms of MISO and MOSI through an oscilloscope, indicating that the data transmission and r...
I have a small project that uses a PIC16F630 microcontroller to control a MOS tube: Press the switch and the LED lights up, press it again and the LED lights flash, press it again and the light goes o...
FPGA is an advanced thing, and now it is more and more widely used by hardware engineers. FPGA is a logical programmable device. When designing hardware circuits, you can use a piece of FPGA to comple...
The power supply is an essential functional module of the instrument system. We use a lot of vehicle-mounted instruments, and the ripple processing requirements of the switching power supply are still...
The question is as the title says.
Only by masking _EINT(); in the main function can the sending of 00 be stopped, but I need to receive interrupts, what should I do! ! ! ! ! Urgent! ! ! ! ! ! ! !
The...
The rapid development of the Internet has realized high-speed information transmission and resource sharing, greatly facilitating people's lives. Embedded systems are widely used in various electr...[Details]
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
introduction
In the discharge process of tokamak plasma physics, the study of rupture and sawtooth is of great significance. Rupture and sawtooth exist in most tokamaks. Rupture is a notew...[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]
introduction
Solar cells and LED lighting are typical applications of new energy and energy-saving and efficient technologies. Solar LED lighting uses solar cells to convert solar energy...[Details]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[Details]
hint:
The number of speakers and their spacing limit the sound field of a portable stereo system.
Spatial audio attempts to artificially recreate the experience of listening to sounds i...[Details]
Abstract: The output of high-range acceleration sensor is less than 10 mV under the excitation of small signal. The noise of traditional test system may cover such small voltage signal, so that hig...[Details]
Only a small number of LED manufacturers can produce high-quality LEDs. For applications that are only used for simple indication, low-quality LEDs are sufficient. However, high-quality LEDs must...[Details]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[Details]
1 Basic Features
In computer control systems and various intelligent instruments and meters composed of single-chip microcomputers (or microprocessors), various external analog signals must be ...[Details]
1. Introduction
With the increasing popularity of fully automatic washing machines, consumers have higher and higher requirements for their environmenta...[Details]
Embedded System
京公网安备 11010802033920号
EEWORLD
