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In recent years, OPPO has mainly established its brand awareness with its innovative series of smartphones, including the Reno and Find series. During INNO Day 2019 at the end of last year, O...[Details]
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Discrete Fourier transform is very important in practical applications. It can be used to calculate the spectrum, power spectrum and linear convolution of signals. However, if the definition (3.20...[Details]
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#include avr/io.h #include util/delay.h #include avr/interrupt.h void port_init(void) { DDRB = 0xff; PORTB = 0xff; DDRD = 0x00; PORTD |= (1 2); } int main(void) { po...[Details]
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Smart technology brings tangible value to individuals, businesses and society, including the experience value of insight into end-user needs, the economic value of breaking through industry standards...[Details]
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Abstract:
With the convenience of transportation, it has become common to go out for fun by car, and people's demand for navigation is becoming stronger and stronger. The navigation on the ...[Details]
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ARM microcontrollers are the entry point for most novices, but due to lack of knowledge, novices often encounter problems of one kind or another during the design process. ARM abnormal interrupt retu...[Details]
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OFweek Cup 2022 China
Robot
Industry Annual Awards (abbreviated as OFweek Robot Awards 2022) is jointly organized by OFweek, China's high-tech industry portal, and its authoritative robo...[Details]
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Introduction Compared with mechanical potentiometers, digital potentiometers have many advantages. However, in some applications, the resolution of digital potentiometers often cannot meet the desi...[Details]
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1 Introduction
As modern industrial society gradually transitions to intelligent society, embedded systems play an important role in modern economic life. In order to make good products, it is ...[Details]
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1. Previous work: (1) Re-port the 3.4.2 kernel, modify the partitions, and create the jffs2 file system http://blog.csdn.net/fengyuwuzu0519/article/details/69802922 (2) Modify the kernel to suppo...[Details]
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According to the IDC China Smart Home Device Market Quarterly Tracking Report, the shipment volume of China's smart TV market in the first quarter of 2019 was about 10.84 million units, a year-on-yea...[Details]
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The S3C2440 chip only provides 27 address lines on the pins provided to the outside. The 27 pins on the chip can only access 128MB of peripheral space. In order to expand the access range of peripher...[Details]
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3 Circuit Simulation Analysis
3.1 LM7815 voltage regulator module simulation
Figure 7 shows the simulation results of the three-terminal voltage regulator integrated circuit LM7815. C1 and C2...[Details]
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Two things happened recently that inspired me to write this article. I have written several articles about field programmable radio frequency (FPRF) devices, which can become almost universal wire...[Details]
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Recently, the geotechnical survey project of the Hebei Chicheng Gravity Energy Storage Pilot Demonstration Project undertaken by the 517th Team of the Tianjin North China Geological Survey Bureau was ...[Details]
ARM Technology
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