The product uses an 8.4V lithium battery, which has three metal spring contacts, similar to the battery contact method on a mobile phone. The current circuit has two 220UF/16V tantalum capacitors in p...
In recent days, when I opened my phone, I was flooded with news about iPhoneX. Yesterday, a video of a foreigner unboxing the phone was leaked online. I didn't expect that although the nearly 10,000 y...
How to burn the program written by ads into the nandflash of arm2440! Help! I have a compiled ads program of 2MB in size. It runs fine in SDRAM. Now I want to burn it into the chip, but it can't burn ...
How to understand embedded systems ◆Embedded systems are user-oriented, product-oriented, and application-oriented. They must be combined with specific applications to be vital and have more advantage...
There is no problem in compiling, but it does not display. I am a novice, please help me. The program is as follows: //lcdportconfig.h #ifndef _LCDPORT_CONFIG_ #define _LCDPORT_CONFIG_ #include
//Hard...
Why do we need to debounce buttons?Key debounce The switch used for the common keys is a mechanical elastic switch. When the mechanical contacts are opened and closed, due to the elastic effect of the...
As LEDs continue to improve in almost every aspect of performance and cost, LED lighting is being used in an increasingly wide range of applications, among which LED street lights are a focus of in...[Details]
In public places such as schools, government agencies, factories and mines, as well as public corridors in residential areas, the phenomenon of long-burning lights is very common, which causes a h...[Details]
To differentiate their products in a crowded and competitive market, manufacturers of handheld devices often consider battery life and power management as key selling points for cell phones, PDAs, ...[Details]
July 11, 2012, Beijing - Altera Corporation (NASDAQ: ALTR) today announced the launch of 40-Gbps Ethernet (40GbE) and 100-Gbps Ethernet (100GbE) intellectual property (IP) core products. These core...[Details]
This paper establishes a fuel cell engine test platform based on the NI integrated hardware and software environment. This platform can realize the test and control of fuel cell engines and their a...[Details]
With the rapid development of urban economy, elevators are increasingly used as a vertical transportation tool. However, elevator fault detection and maintenance, especially the role of elevator remot...[Details]
From the PIC16F946 datasheet, we know that there are two ways to write values to the LCD for display:
1. Directly write the value to LCDDATA1~LCDDATA23
2. Use disconnect t...[Details]
LED is the abbreviation of light emitting diode, which is an electric light source made of semiconductor technology. The core part of LED is a chip composed of P-type semiconductor and N-type semi...[Details]
In the single-chip microcomputer system, in addition to display devices, sound devices are often used, and the most common sound device is the buzzer. Buzzers are generally used for some low-demand...[Details]
It is well known to automotive suppliers that automakers are demanding more from their supply base. For connector suppliers, this means stricter requirements for product performance, stability and ...[Details]
The era of mobile access to the Internet has arrived, and it will rapidly change the business and infrastructure needs of mobile operators under a whole new trend of requirements. We need 4G LTE to...[Details]
D5026A is a driver IC designed by Shanghai Debei Electronics for energy-saving LED display screens. Its design concept is energy-saving and compatible with existing solutions, that is, it can be ...[Details]
Since the late 1990s, with the demand for higher system efficiency and lower power consumption, the technological update of telecommunications and data communication equipment has promoted the deve...[Details]
With the rapid development of wireless
digital communication
, more challenges have been raised for integrated circuit design and testing. In the product design stage, in order to ensure
t...[Details]
The launch of Shenzhou IX is imminent, and Tiangong is welcoming visitors again. Yesterday, Professor Fu Qiang, Vice President of the Institute of Science and Industrial Technology of Harbin Instit...[Details]
Analog electronics
京公网安备 11010802033920号
EEWORLD
