I currently shut down the computer using SetSystemPowerState(NULL, POWER_STATE_OFF, POWER_FORCE); and then control a gpio to power off the hardware. But I think I should close all programs before shut...
First of all, I would like to thank NXP, https://bbs.eeworld.com.cn/ and Ms. Soso from eeworld. They gave me this opportunity and allowed me to get acquainted with LPC. Here I would like to record eve...
I want to make a battery monitor to monitor the amount of electricity. I use MAX6775 to monitor the amount of electricity and use light-emitting diodes to give an alarm. How should I design the circui...
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 20:00[/i] Fast calculation of two-way single frequency transform (addition) for audio coding...
1. The first three digits of the digital tube display a stopwatch, which runs from 000 to 999 at a speed of 1% per second. When an independent keyboard is pressed, the stopwatch stops and continues to...
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]
A single-chip microcomputer is also called a single-chip microcontroller. It is not a chip that completes a certain logical function, but a computer system integrated into one chip. In general, a c...[Details]
1. Principle of displacement angle sensor
The angle sensor is used to detect angles. It has a hole in its body that fits the LEGO axle. When connected to the RCX, the angle sensor counts once ...[Details]
Editor's note: In order to help technicians or engineers who have knowledge of PIC microcontroller assembly language quickly master the method of using C language to program PIC microcontrollers, t...[Details]
General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[Details]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[Details]
Corelink Semiconductor has launched the CL1100-based 5-7W E27 LED lighting driver system solution DB2. This driver module meets the requirements of small size (L×W×H=5.1cm×2.1cm×1.8cm), low standby...[Details]
Introduction
As the country increases its efforts to control the atmospheric environment, motorcycle emission regulations will become stricter year by year, and motorcycles that do not meet the...[Details]
Based on the actual situation, a remote intelligent anti-theft alarm device for home use, connected to the telephone line, simple to operate, and stable and reliable in operation is designed. When ...[Details]
1 Introduction
At present, people have higher and higher requirements for the quality of life. When people are busy with work, soymilk machine is a new type of household beverage machine. It uses so...[Details]
introduction
Belt drive is a common transmission device used in industrial production. Its commonly used speed detection device is a photoelectric encoder installed at the rotating end of th...[Details]
introduction
The air compressor unit in the operating area of a lead-zinc mine in Guangdong is a key equipment in mining production. There are six imported Ingersoll Rand CENTAC air compress...[Details]
Synchronous buck designs are becoming increasingly difficult, and the selection of suitable ICs is becoming quite narrow. This Design Idea combines a current-mode PWM IC used in a flyback regulator...[Details]
1. Fully understand the design requirements of all parties and determine the appropriate solution.
When starting a hardware development project, the original driving force will come from many a...[Details]
Introduction
With the acceleration of China's economic development and urbanization, the amount of sewage in small and medium-sized cities has shown an increasing trend year by year. In order to red...[Details]
Embedded System
京公网安备 11010802033920号
EEWORLD
