I use the 2407A development board to do AD conversion. I see the following pins (EVA): AGND (J3 27), GND (J3 28), VREFHI (J2 26), VREHLO (J3 26), 3.3VA (J2 27). Some people say that AGND (J3 27) and V...
[backcolor=rgb(238, 238, 238)][size=12px]Does anyone have a spare DDR2 800 desktop memory stick? (2GB is best) I want to upgrade my computer. Thanks! [/size][/backcolor]...
2009 National Undergraduate Electronic Design Contest Registration Summary Table, here you can know how many teams and schools your province has participated in [url=http://www.nuedc.com.cn/news.asp?b...
Hello, s3c44b0x stops when programming flash. I checked the connection several times and detected the CPU with arm7 jtag software. But when I use fluted.exe, it stops. When running fluted r, Get ID Re...
There is a problem with the data structure on the server side, that is, when operating the queue, a node is deleted after sending data in the sending thread. //My system adopts C/S architecture, and m...
I use the f449 chip, and use the input pulse of port p1 to generate interrupts, and set it to be effective on the falling edge. However, during actual operation, one pulse generates two interrupt resp...
Microchip's PIC18F46J50 is a low-power, high-performance 8-bit USB microcontroller (MCU) using nanoWatt XLP technology. The current in deep sleep mode can be as low as 13nA, the operating voltage i...[Details]
Sailing is gaining more and more attention. How to use modern technology to assist training and improve competition results is particularly important. Considering the real-time data collection in t...[Details]
Two simple circuits are implemented to drive two LEDs from a battery powered microprocessor.
This design is based on a circuit that uses three resistors and a microprocessor I/O pin as an input h...[Details]
Microcalorimetry
is used to determine energy relationships. Microcalorimetry techniques are often required when performing calorimetric experiments with small sample sizes or slow heating rat...[Details]
Capacitors
are basic components in various electronic devices and are widely used for bypassing, coupling,
filtering
, tuning, etc. in electronic circuits. However, to use capacitors,...[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]
Liquid crystal display (LCD) panels have a wide range of applications, from small portable electronic devices to large fixed devices, including digital cameras, laptops, personal data assistants, d...[Details]
1. Introduction
With the increasing popularity of fully automatic washing machines, consumers have higher and higher requirements for their environmenta...[Details]
1. Proposal of
reconfigurable
measurement and control system
The measurement and control system generally refers to a system based on
computers
to realize data acquisition a...[Details]
A stepper motor is an electromagnetic mechanical device that converts an electrical pulse signal into an angular displacement or a linear displacement. The stability and reliability of a stepper mo...[Details]
When the so-called "copycat phones" that flood the domestic mobile phone market move towards large screens, stereo amplifiers, touch controls, and even GPS navigation and mobile TV, the homogeneity...[Details]
This article discusses the six design steps of LED lighting system design in detail: (1) determine the lighting requirements; (2) determine the design goals and estimate the optics; (3) the efficie...[Details]
Currently, the commonly used solar cell technologies include monocrystalline silicon solar cells and polycrystalline silicon thin-film solar cells. Production process: Monocrystalline silicon solar...[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]
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]