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introduction Electric energy measurement is a mature, commonly used and important testing technology. It is closely related to major issues such as energy utilization, economic benefits and environme...[Details]

       I don’t remember when it started, but mobile phone cameras have firmly embarked on the path of multi-cameras and there is no looking back. 　　In current mobile phones, triple and quad cameras a...[Details]

interrupt is the keyword of interrupt, n is the interrupt number providing the entry address of the interrupt program. 0-INT0    1-T0 2-INT1 3-T1 4-Serial interrupt 5-T2 Direct access to registers ...[Details]

As automotive companies prepare for intelligence (smart driving and continuous OTA), the speed of automotive networks continues to increase, ushering in a new chapter in technological evolution. In...[Details]

1. Introduction In recent years, electronic products powered by batteries have been widely used, and designers are eager to use low-voltage analog circuits to reduce power consumption. Low-vol...[Details]

Lenovo announced its first quarterly results for the 19/20 fiscal year. From the data, revenue and profit have achieved double growth, which is a good start. At the financial report communication mee...[Details]

1. Design points of single chip switching power supply 1.1 Selection of power supply efficiency The efficiency (η) of a switching power supply refers to the percentage of its output power...[Details]

introduction Most of the contemporary LCD displays use cold cathode fluorescent lamp (CCFL) backlight or LED static backlight. Since CCFL brightness is difficult to control and has a slow resp...[Details]

      In general, the signal capture, such as the rising edge or the falling edge, can be captured using external triggering. This is based on the situation where the signal is relatively stable. If ...[Details]

1 System Structure The block diagram of the data acquisition and control system composed of the ADuC845 single-chip data acquisition device and the CH341 USB interface device is shown in Figur...[Details]

People who buy smart home cameras generally have the following two needs: the first is that there are elderly people, children or pets at home who need to be taken care of, but they cannot stay at ho...[Details]

1. Scheme design and demonstration 1.1 Overall solution design DC electronic load based on manual adjustment of microcontroller control.     This scheme uses two self-locking switches to control the...[Details]

In 1955, the country's first high-temperature and high-pressure thermal power plant, the Fulaerji Thermal Power Plant in Qiqihar City, Heilongjiang Province, was officially put into operation with ...[Details]

The U.S. Department of Transportation recently confirmed that the Trump administration quietly disbanded the Transportation Automation Advisory Committee established during the Obama era earlier this...[Details]

In recent years, many countries in the world have been committed to replacing inefficient incandescent lamps with more energy-efficient lighting solutions. As light-emitting diodes (LEDs) continue ...[Details]