Liang Bei, a member of the Beijing CPPCC, talked about the suggestions of the post-80s generation who are unable to cope with high housing prices: I think if the post-80s boys cannot afford to buy a h...
Suppose there is a data packet, the data format is as shown in the table: [table] [tr][td=9%][align=center]Sequence number[/align][/td][td=25%][align=center]Item[/align][/td][td=18%][align=center]Leng...
Headhunting position [Beijing] Job responsibilities: 1. Use C to design and debug embedded software code based on ARM or other processors; 2. Cooperate with hardware engineers and test engineers to ac...
1. Course Introduction Embedded Linux drivers have become a hot topic in embedded development, because drivers are responsible for the ability to operate the increasingly complex hardware of embedded ...
Hello everyone, I use an AC to DC power transformer with an input of about 8 volts. I connect it to the 1,2 pin of the l7805cv. The voltage measured at the 2,3 pin is 5.68 volts, not 5 volts. A 470uf ...
China's new energy vehicles are in a transition period from research and development to real industrial development. In 2012, with the intensive launch of new energy vehicle policy planning, the de...[Details]
introduction
The emergence of high-performance, low-power embedded CPUs and high-reliability network operating systems has made it possible to implement applications with large amounts of comp...[Details]
1 Introduction
Water resources are the basic conditions for human survival and the lifeline of economic development. The reality shows that due to the global shortage of water resources and th...[Details]
LED lamps and bulbs are now rapidly replacing incandescent, halogen and CFL (compact fluorescent lamp) light sources in many general lighting applications. Flyback DC/DC converters are the power su...[Details]
LED lighting: Basic circuit design can be completed in as little as one day
Semiconductor manufacturers are also getting involved in the LED lighting business. The power circuit of LED req...[Details]
At present, how various communication technologies will evolve after 3G is a focus of great concern in the industry. Especially for TD-SCDMA, whether it can achieve smooth evolution to the next gen...[Details]
The ARINC429 bus is one of the most commonly used communication buses between various subsystems of avionics. As the "skeleton" of modern avionics systems, once the bus system or the attached airbo...[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]
1 Development of LED Film and Television Lighting
1.1 The significance of developing film and television lighting
Lighting power consumption accounts for a large proportion of the total p...[Details]
In order to prevent the lithium battery from being damaged by abnormal conditions such as overcharge, over discharge, and overcurrent, a lithium battery protection device is usually used to prevent...[Details]
Mobile phones, MP3s, tablet computers, laptops, digital cameras, handheld game consoles, navigation devices, etc., all these mobile devices are powered by mobile batteries, and the battery life is ...[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]
1 Introduction
Fieldbus is a serial, digital, multi-point communication data bus between field equipment/instruments installed in the production process area and automatic control devices/syst...[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]
Today, fleet management innovation has made great progress. Whether trucks, buses, taxis or other means of transportation, wireless satellite positioning systems are used to enable dispatchers to u...[Details]
Talking
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