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s3c2440 burns the entire system Divided into two parts Flash the kernel file Flash the file system Each part is divided into three steps a. Download the file to the development board (tftp method...[Details]
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Today, I want to talk about another important metric to consider when testing power supply performance: noise measurement. Where does power supply noise come from? Power supply noise is generated f...[Details]
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Offline switching power supplies usually use a rectifier bridge and input filter capacitors to absorb energy from the input. The large capacitor is charged at a point close to the peak of the AC ...[Details]
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On December 2, *ST Yingfang issued an announcement that the company's holding subsidiaries Shenzhen Huaxinke Technology Co., Ltd. (hereinafter referred to as "Huaxinke") and United Wireless (Hong Kon...[Details]
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Since the 1990s, China has made great progress in the prevention of pollution flashover of power transmission and transformation equipment. All regions have adjusted the creepage distance of power tra...[Details]
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Clock Source The ATmega64 chip has several clock sources selected by fuses as follows: The clock is input to the AVR clock generator and is routed to other appropriate modules. Note: 1. For all fuse...[Details]
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Zigbee Alliance, an industry association with hundreds of members that creates, maintains and publishes global open standards for the Internet of Things (IoT), announced on January 9 that STMicroelec...[Details]
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Whether it is necessary to buy a robot vacuum cleaner depends mainly on one's actual situation and needs. Robot vacuum cleaners are very practical for people who do not have the time or are unwilli...[Details]
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On August 27, Laibao Hi-Tech released its semi-annual report. The company's operating income in the first half of 2021 was approximately 3.759 billion yuan, an increase of 35.91% year-on-year, mainly...[Details]
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Recently, overseas electronic engineering media edn.com analyzed how Intel's foundry will affect the EDA and IP industries. The article points out that Intel has said that an open and prosperous ec...[Details]
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6v-12v/25w DC voltage converter circuit
For low voltage and high power output converter, a single-side conduction converter can be used. In order to reduce the conversion loss of transistor AD133, ...[Details]
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Working frequency and measurement performance of ultrasonic level meter: When the sensor works at high frequency (40-70KHz), the sensor is small in size, small in blind area, good in directivity, and...[Details]
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Currently, a variety of PWM control methods have been used in AC variable frequency speed regulation systems, among which space vector PWM (SVPWM) has been widely used in motor speed regulation due...[Details]
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Chinese inventor Wu Kai and his team successfully won the European Inventor Award 2023 (category "Non-European Patent Office Member States") In recognition of the Chinese inventor's contribution ...[Details]
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Create light.c:
Modify start.S:
Modify Makefile: add light.o
Finally, make succeeded and burning was successful.
Similarly, we can also call our assembly f...[Details]
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