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AC variable frequency motor is a motor that uses frequency conversion technology to control the speed of AC motor. Compared with traditional AC motors, AC variable frequency motors can achieve more...[Details]

Structural features of magnetic flap level gauge: The basic type of magnetic flap level gauge is based on the principle of buoyancy. The float moves up and down in the measuring tube as the liquid ...[Details]

The rapid development of artificial intelligence technology is causing a huge change in family lifestyles. Smart home products such as smart refrigerators, smart washing machines, smart switches, and...[Details]

Industry sources said that fabless chipmakers are seeking to strengthen their deployment in the 5G radio frequency front-end module (RF FEM) and other equipment markets by working closely with manufa...[Details]

8255 is a microcomputer parallel programmable I/O port expansion chip. The procedure is as follows: ORG  0000H   AJMP  MAIN ORG  0100H MAIN:  MOV  SP,#030H MOV  P0,#00H MOV  R0,#07BH  ;Cont...[Details]

Inductors, capacitors, and resistors are collectively called the three major passive components. The so-called passive components work "passively", that is, they work only when current passes throu...[Details]

● EQU  The EQU directive is used to define a symbolic name for a numeric constant or a value associated with a kernel register or a value associated with a program counter, similar to "#define" in ...[Details]

Abstract: In order to locate the vehicles in the field in real time and accurately grasp their working conditions, this paper designs a vehicle working condition information collection terminal based...[Details]

Design and production of ultra-bright LED with one battery 1. Circuit Design The voltage of a nickel-metal hydride battery is only 1.2V, while the ultra-bright LED requires a...[Details]

According to Jiwei.com, in recent years, with the continued prosperity of the downstream terminal application market and policy support, my country's LED industry as a whole has shown a growth trend,...[Details]

Wireless sensor networks (WSN) and mobile ad hoc networks (MANET) are two branches of wireless ad hoc network technology due to different application scenarios, mobility characteristics, addressing...[Details]

    In daily life, we often need to rely on hearing to tell whether there are moving vehicles nearby. Traditional internal combustion engine vehicles make a lot of noise when drivi...[Details]

BKP is the abbreviation of "BACKUP". The stm32f103RCTE is equipped with 10 16-bit BKP registers. When the main power is cut off or the system generates a reset time, the BKP register can still mainta...[Details]

If you do not use an external crystal oscillator on the STM32, how to connect OSC_IN and OSC_OUT If you use the internal RC oscillator instead of an external crystal oscillator, please follow ...[Details]

LED heat dissipation is now increasingly valued by people, because the light decay or life of LED is directly related to its junction temperature. If the heat dissipation is not good,...[Details]