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Apple today released iOS 15.4.1 and iPadOS 15.4.1, which came two weeks after the release of iOS 15.4. According to Apple's official upgrade details, the update content is as follows: This update...[Details]

Instrument workers generally have their own instrument maintenance responsibility area. According to the distribution of instruments in the responsibility area, they select the best inspection route ...[Details]

China Energy Storage Network: Building a new power system with new energy as the main body is an important strategic measure to ensure the security of energy supply and an important means t...[Details]

"Are 10 sockets behind the TV cabinet enough?" A friend who is about to renovate her house came to me for advice. She said that she often has to use a power strip because of insufficient sockets in h...[Details]

Tomshardware reports that tensions between China and the United States are profitable for some Japanese companies. According to Nikkei Asia, second-hand semiconductor equipment is not subject to US r...[Details]

1. Write subroutine Add_16 to implement double-byte unsigned number addition. It is required to define variables ACCALO, ACCAHI, ACCBLO, and ACCBHI at addresses 0x70~0x73. ACCALO; store the lower 8...[Details]

1. Main idea: Because the light-emitting diode has unidirectional conductivity, we use the R × 10k range to measure its forward and reverse resistance. Generally, the forward resistance should ...[Details]

　　The circuit of the "Clairvoyant" charger is shown in the figure. Among them, the unidirectional thyristor VS1 is the charging current tube of the battery GB, and VS2 is used to cut off the charging...[Details]

As of this week, the financial reports of the three major operators have been released, and the results for the 2010 fiscal year have been handed in at this time. The "three-way split" pattern is not ...[Details]

      Today, a new Motorola phone with model number XT2201-6 obtained network access permission. This phone is the under-screen camera version of Motorola's upcoming edge X30. 　　Previously in Decembe...[Details]

     Intel released its Q3 2019 financial report last weekend, with total revenue of $19.2 billion, almost unchanged year-on-year, but net profit of $6 billion, down 6% year-on-year. This financial ...[Details]

Not long ago, BYD announced that it would invest heavily in the layout of the third-generation semiconductor material SiC (silicon carbide), and integrate the SiC-based semiconductor industry chain i...[Details]

Under normal circumstances, the motor is started directly, but sometimes it needs to be delayed. What is the circuit of delayed start? Let's take a look. Delayed start type 1 Th...[Details]

(I) Principle of computer serial communication: In summary: So when setting, SCON is often set to 0X50==0101 0000, using method 1. (ii) Work: Interrupt control LE...[Details]

The development of fast charging technology continues to break through the power limit. As the power increases, the temperature rise effect of the chip becomes more significant, and the heat loss i...[Details]