A3961WRC-23P-G20

      On the morning of June 22, a new survey by SellCell, a foreign mobile phone price comparison website, showed that users do not seem to be so interested in Apple’s upcoming iOS 15 and iPadOS 15 ...[Details]

LTORG is used to declare the beginning of a data buffer pool (also called a literal pool). When using the pseudo instruction LDR, it is often necessary to add LTORG to declare the data buffer pool in ...[Details]

　　The gateway device uses 220V AC power supply, and the power module directly uses a stable brand switching power supply. The switching power supply outputs 5V voltage to supply the power demand of t...[Details]

The auxiliary switching power supply of the voltage-type inverter power supply has a double-tube flyback switching power supply that can efficiently provide multiple DC outputs. The circuit compone...[Details]

Researcher Tang Ao from the Institute of Metal Research, Chinese Academy of Sciences, systematically described all aspects of the all-vanadium liquid flow energy storage system, from the electrolyt...[Details]

When using an insulation resistance meter to measure the insulation resistance of the instrument, first disconnect the connected load and then discharge it. (1) Check whether the voltage and measurem...[Details]

When drilling and repairing drill pipes, drilling tools, and oil casing in oilfields, the special tool for threading is hydraulic power tongs. After the clamping mechanism of the hydraulic power tong...[Details]

Active Power Management On-chip power management techniques fall into two broad categories, managing active system power and managing standby power. Active power management falls into t...[Details]

Pointer multimeter and digital multimeter each have their own advantages and disadvantages, and a comparative analysis is made below. Comparison between pointer multimeter and digital multimeter Poin...[Details]

At present, under the background of fierce price competition in electric vehicles, cost reduction has become an important task for automobile companies to improve the competitiveness of their model...[Details]

introduction Passive optical network PON has been applied on a large scale in the network with its unique advantages. Since the GPON system has the highest bandwidth utilization rate, the lowest syst...[Details]

High Dynamic Range (HDR) A feature of High Dynamic Range (HDR) imaging is that it can be used to capture images with a wide contrast between the brightest and darkest areas. By extending the dynamic...[Details]

Buzzer alarm sound C51 program #define uchar unsigned char //Macro definition for easy use #define uint unsigned int #define ulong unsigned long #include //Include a 52 standard kernel header file sb...[Details]

4 LTE-A Key Technologies and Performance Requirements 　　LTE-A, as an evolution of LTE, is a true 4G standard. In order to meet higher performance indicators, LTE-A introduces a series of key tech...[Details]

In the "smart world" we live in today, there are more and more electronically connected devices. Although the design of various mobile and connected devices is becoming more and more complex, even th...[Details]