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Recently, the Shanxi Energy Supervision Office of the National Energy Administration officially issued the "Implementation Rules for the Grid-connected Operation and Management of Independent Energ...[Details]

The Galaxy S22 Ultra can be said to be the best of all Samsung mobile phones. Since its launch on February 9, its sales performance has exceeded the record once held by the Galaxy S8. At the same tim...[Details]

First define the programs that need to be shared in a fixed FLASH address: #pragma arm section code=".ARM.__at_0x800F000" void Function（void） { } #pragma arm section Call the fixed address program in...[Details]

This article only makes a prediction on the trend of solar power generation technology in new energy . First, the price of key photovoltaic devices will be further reduced, from 1,500 US dollar...[Details]

What is the difference between a human-machine interface and what people often call a "touch screen"? Strictly speaking, there is an essential difference between the two. Because a "touch screen" i...[Details]

Nor Flash Start Nor Flash：SST39VF1601 ---2MB SDRAM: HY57V561620FTP-H, capacity: 256Mb (16M×16bit) = 32MB, frequency: 133MHZ, development board with 2 pieces * 32MB = 64MB Preface: This step o...[Details]

1. Circuit composition When more LED products are needed, if all LEDs are connected in series, the LED driver will need to output a higher voltage; if all L...[Details]

Recently, vivo quietly launched a new X70 series phone - vivo X70t, which is a chip-changed version of the vivo X70 released in September. The processor was originally MediaTek Dimensity 1200-vivo cu...[Details]

The oxygen content in water can fully show the degree of water self-purification. For biological treatment plants using activated sludge, it is very important to understand the oxygen content in the ...[Details]

Is Apple's system safe? Compared with the more open Android and Windows, it is indeed more secure, but nothing is absolute. For example, the iOS system has been hit by "Pegasus" and "zero-day vulnera...[Details]

We know that oscilloscopes have various triggering modes, the more common ones are edge trigger, pulse width trigger, logic trigger, N-edge trigger, runt trigger, slope trigger, timeout trigger, vide...[Details]

The power battery is the most important component in electric vehicles, and it is also the part that makes the biggest difference between electric vehicles and traditional fuel vehicles. According to...[Details]

This writing method is to nest assembly in C. The exact delay time = 2*t*T+5*T, T is one machine cycle. For 8051, If t=1, then the execution of this function should be 7us. If it is STC12, then ...[Details]

Fabrication and modification of fiber optic probe Remove about 6.5 cm of the coating layer from an 11 cm long quartz optical fiber, and then place it in 30% HF for etching for ...[Details]

　　 1. Introduction 　　With the expansion of urban water supply and urban pipe network, the original telemetry system of Xiamen Water Company is difficult to adapt to the production scheduling needs. ...[Details]