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51 single chip microcomputer——LCD1602 1. 1602 LCD read and write timing (1) Read status RS=L, R/W=H, E=H. (Release the bus after judging that the busy state is completed) (2) Read data RS=H...[Details]
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Comparison Mode:
This is the default mode of the timer. When in comparison mode, the hardware related to the capture mode stops working. If the timer interrupt is enabled at this time, then th...[Details]
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Firstly, the DRM standard is briefly introduced, then OMADRMV1.0 and V2.0 are analyzed and compared in detail, and finally suggestions are put forward on the application of DRM technology in 3G value-...[Details]
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1. Analysis of BMP picture format 1. The general composition of BMP files The data of a BMP file consists of four parts: the bitmap file header, the bitmap information header, the color table, and th...[Details]
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1. Signal input Connect one probe wire to the ch1 input binding post of the oscilloscope, and connect the other probe wire to the ch2 input binding post. After inserting the probe, be sure to tighte...[Details]
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Introduction
Currently, in embedded systems, image acquisition can be achieved using analog cameras, CCD image sensors or CMOS digital image sensors. CMOS digital image sensors are the most wid...[Details]
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Problem Description:
When using USART for serial communication, I only turned on the receive interrupt and set the preemption priority to the lowest level. The receive interrupt has a lot of p...[Details]
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Here is a method to quickly identify the quality of the quartz resonator of the color TV remote control by using the "on-line voltage measurement method". Set the multimeter waveguide to the DC 10V p...[Details]
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On November 3, the 2020 National Science and Technology Awards Conference was held in Beijing. Among them, the "Key Technology and Complete Process of High-Density and High-Reliability Electronic Pac...[Details]
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1 Interrupt Introduction
In our daily life, we often encounter such a situation: we are reading a book, and suddenly the phone in the living room rings. At this time, we often stop reading, an...[Details]
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The i2c bus is a bus technology commonly used in microcontroller systems. Here I would like to introduce a C51 language source program driven by an I2C bus.
//#pragma ot(6,SIZE)
#i nclud...[Details]
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Unmanned driving, vehicle-road collaboration, automatic pick-up, valet parking... On October 15, 36 Dongfeng's own intelligent connected vehicle products were unveiled at the Dongfeng Smart Vehicle...[Details]
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A complete PLC program is not as simple as just making the system run. It also requires complete annotations, sophisticated architecture, good scalability, a complete alarm protection system, and a...[Details]
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Today I finally finished reading it, understood it, understood it clearly, and saw through it. S~~~~~~
I didn’t want to write about it originally, but now I think I’d better keep it brief: jus...[Details]
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On November 12, at the opening ceremony and plenary session of the 31st China Society of Automotive Engineers Annual Conference and Exhibition, Li Jun, academician of the Chinese Academy of Enginee...[Details]
Analog electronics
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