For LPC1114, I want to keep it from working normally, and wake it up when a button is pressed, and then use it to control the power-on of other parts of the circuit. I don't know whether to keep it in...
I made a switch circuit with B772, the resistance of M is 5Ω, the working current is 1.7A. When the switch is pressed, the transistor will burn. Why is this? Please help...
Efficiency of switching power supply : https://training.eeworld.com.cn/course/4404Efficient energy conversion is essential for environmentally friendly power support. To meet the requirements of the n...
This is a display screen I made recently, made with LM3S9D92, and driven by SSD1963. Many source codes are referenced from zhengjiewen. I read many of his posts and learned a lot.But my screen has hor...
I wrote a program to sample AC voltage using AD. I found that the first sampled data after each program run is wrong. For example: The samples matrix is used to store the sampled result values. Sample...
Hi, I am a humble man, but I want to ask a simple question: To use the GPRS module to dial up to the Internet in Linux, do I only need the driver of the interface (such as the serial port) and not the...
Microcontrollers (MCUs), which are widely used in automotive electronics, are rapidly facing time and cost pressures. The main advantage of using MCUs has always been to create high-level system in...[Details]
Analog engineers have traditionally struggled with complexity when designing power supplies that required multiple outputs, dynamic load sharing, hot-swap, or extensive fault-handling capabilities....[Details]
The reason for the light decay of white LEDs: the decline of phosphor performance
So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[Details]
With the continuous improvement of the requirements of intelligent building security systems and the continuous improvement of people's safety awareness, indoor anti-theft has gradually attracted peop...[Details]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[Details]
LED technology has made rapid progress, and improvements in chip design and materials have promoted the development of brighter and more durable light sources, and the scope of light source applica...[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 Embedded Systems
Embedded System refers to a collection of computer hardware and software with specific functions or purposes, which is divided into embedded software system and embe...[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]
1 What is an LED floodlight?
LED downlights are also called spotlights, projection lamps, and spotlights. They are mainly used for architectural decorative lighting and commercial space lighti...[Details]
1 Introduction
Power supply ripple will interfere with the normal operation of electronic equipment, causing malfunctions such as computer crashes, data processing errors and control system fa...[Details]
SL11R is a 16-bit RISC microcontroller with a USB interface produced by Scanlogic. Its core processing speed reaches 48MIPS. It has rich hardware resources and 32-bit programmable I/O ports, and ca...[Details]
Abstract: Based on FPGA hardware, the image scaling with fixed magnification is realized. The 2D convolution operation is decomposed into 2 1D convolution operations. The input original image pixel...[Details]
O Introduction
Virtual instrument is a new type of instrument developed with
the development of
computer
technology, electronic measurement technology and communication technology. ...[Details]
As the global leader in virtual instrument technology, NI provided customers with more than 6,000,000 virtual instrument measurement devices in 2004 alone. For 25 years, engineers have used virtual...[Details]
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