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The reception of FM radio has been a hot topic in recent years, especially last year. This is because FM radio has better sound quality, higher fidelity, stronger anti-interference, richer programs, a...[Details]
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Compared with traditional household refrigerators, car refrigerators are more demanding in terms of use environment, electrical environment, functional requirements, volume and weight. First, due t...[Details]
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According to foreign media reports, researchers at the Technical University of Braunschweig are studying a new way to determine location - radar sensors map the ground to determine the exact position...[Details]
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In recent years, the high brightness light emitting diode (HB-LED) market has developed rapidly. The LED light efficiency has been increasing, and the average cost per lumen of light output has c...[Details]
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Interrupt system one, Several concepts ① Interruption: Textbook p51 ② Interrupt source: The request source that generates the interrupt ③ Interrupt level: The priority level is determined a...[Details]
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Murata's first commercialized 3225-size wire-wound common mode choke coil for power lines that supports large current (maximum 1.2A) and wide bandwidth
Murata Manufacturing Co., Ltd....[Details]
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When using Siemens inverters, the frequency and voltage are increased accordingly as the motor accelerates, and the starting current is limited to less than 150% of the rated current (125%~200% dep...[Details]
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When the watchdog timer overflows, a reset pulse with a duration of 1 CK cycle will be generated. At the falling edge of the pulse, the delay timer starts counting tTOUT. Please refer to the specific...[Details]
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The system control register (SCTLR) is used to control standard memory and system devices and to provide status information to functions implemented in the hardware core. cpsr_bits.png Not all bits...[Details]
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The changes in MCU under autonomous driving and SOA architecture are mainly that the computing power must be greatly improved, the operating frequency must be at least above 300MHz, the on-chip Flash...[Details]
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Let’s start with car seat belts As a basic protective device to protect drivers and passengers during car collisions, seat belts have protected millions of lives. From today's point of view, seat b...[Details]
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1. Interrupt priority:
The concept of priority in STM32 (Cortex-M3)
There are two concepts of priority in STM32 (Cortex-M3) - preemptive priority and response priority. Some people call response p...[Details]
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1. 2440 address space
First, find the PCB schematic and look at the width of the memory address lines and data lines led out by the CPU.
This means that the actual memory address is...[Details]
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1 Introduction
Among the numerous network security facilities, firewalls are effective and important network security devices. They screen and shield network communications to prevent unauthor...[Details]
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On November 17, Reuters reported that two sources said that Indian technology giant Tata Group has agreed to purchase a majority stake in Pegatron's only iPhone factory in India to establish a new ...[Details]
RF/Wirelessly
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