[align=center]eMMC Introduction eMMC (Embedded Multi Media Card) is an embedded memory standard specification established by the MMC Association, mainly for mobile phone products. An obvious advantage...
I am a newbie. Recently, my boss asked me to work on WinCE. I bought a FriendlyArm nano2410 board with 32M DRAM and 64M flash. I plan to do some WinCE development. However, nano2410 only has NK and eb...
I bought a smart bracelet for more than 30 yuan. It has functions such as timing, step counting, sleep measurement, blood pressure and heart rate measurement, and mobile phone message or call reminder...
[color=#444444][font=Tahoma,]I was drawing a PCB. At first I used AD9. I found that when I was routing, normally the wires would follow the mouse. [/font][/color][color=rgb(68, 68, 68)][font=Tahoma,]b...
Is there only one power network in the power layer? Assuming there are 5V, +15V, -8V power supplies in the circuit, how to distribute these power supplies in the power layer? Isn't the power layer usu...
AD's PCB board has multiple layers. If I want to print it out layer by layer, I need to add or delete certain layers in PAGE SETUP. Are there other quick methods? Thank you....
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]
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
Intelligent control instruments are one of the most commonly used controllers in industrial control. They are mainly aimed at a specific parameter (such as pressure, tempera...[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]
According to the Industrial Technology Research Institute of Taiwan, due to factors such as the oil crisis and global warming, the issues of energy conservation and environmental protection have at...[Details]
With the widespread application of new services and technologies in the communications industry, the scale and capacity of operators' network construction are getting larger and larger, and the ris...[Details]
1 Introduction to LED
With the development of science and technology, people have higher and higher requirements on automobile light sources. LED (Light Emitting Diode) has gradually attracted...[Details]
A few days ago, I bought an 8LED flashlight in the market (the flashlight uses No. 5 batteries). Because I had other things to do, I didn't pay attention when purchasing it. When I got home and use...[Details]
The power supply is the core component of a computer. Although it is not of high value, all computer components rely on the switching power adapter to provide energy, so the stability of a power su...[Details]
Multimedia processors are often the most power-hungry devices in portable electronic devices. Common ways to reduce CPU power requirements are to reduce clock frequency or operating voltage, but th...[Details]
Features
POE technology can ensure the safety of existing structured cabling while ensuring the normal operation of the existing network and minimizing costs. The IEEE 802.3af standard is ...[Details]
1 Introduction
The stepper motor is an actuator of an open-loop servo motion system, which is controlled in a pulse mode and outputs angular displacement. Compared with AC servo motors and DC servo ...[Details]
Traditionally, when using PLC to control stepper motors, a dedicated stepper motor control intelligent module is usually added to the PLC, and then connected to the drive power supply to realize th...[Details]
0 Introduction
The load with impact (rapid change) power in the power system will cause the voltage fluctuation and flicker of the power grid, causing many electrical equipment to fail to wo...[Details]
1. Overview
With the development of science and technology, PLC is increasingly used in industrial control. The reliability of PLC control systems directly affects the safe production and economic o...[Details]