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USB is a complicated and time-consuming thing for me. It mainly describes the device according to the function. For example, USB keyboard, USB virtual serial port, USB camera...
And Hetai also added t...
The input frequency is 1k square wave entering the low-pass filter, filtering out the waveform shown in the figure. The cutoff frequency of the low-pass filter is 1k. Why does this distortion occur?...
1. Experimental tasks When the switch SP1 is pressed, the AT89S51 microcontroller generates a "ding-dong" sound and outputs it from the P1.0 port to the LM386, which is amplified and sent to the spea...[Details]
MediaTek 5G Solution Release and Global Partner Conference was held in Shenzhen. At the conference, MediaTek's flagship 5G mobile platform - Dimensity 1000 was officially launched. "Dimensity" is a ...[Details]
Compared with 51 or other series of microcontrollers, the interrupt mechanism of PIC microcontroller has its own special features. In response to some problems and doubts that some of our beginners h...[Details]
Experimental purpose: Use the two pins of the STM8 chip to simulate the I2C bus timing to read and write the time of the PCF8563 electronic clock 2. Register structure 3. I2C bus protocol The ...[Details]
On July 24, Honor officially announced the new Honor Tablet V7 Pro. However, according to Jiwei.com, an insider learned that the Honor Tablet does not use the Dimensity chip. Recently, Honor official...[Details]
From the hardware perspective, reliability testing is divided into two categories: reliability testing based on industry standards or national standards. For example, electromagnetic compatibility te...[Details]
1 Introduction
LED display technology has evolved from monochrome displays in the early 1980s, to dual-primary-color displays in the late 1980s, to three-primary-color (full-color) displays in...[Details]
On September 10, the Heilongjiang Provincial Department of Industry and Information Technology publicly solicited opinions and suggestions on the "Heilongjiang Vanadium Industry Development Plan (2...[Details]
In the past, we used delay to eliminate jitter, which was a waste of time. Now we use state machine design, which does not take up too much time, but requires a timer. 1. State machine button debou...[Details]
According to a report by Japan's Sankei Shimbun on April 23, Panasonic announced on April 23 that its main production base for lithium-ion batteries will be transferred from Japan to China. It is u...[Details]
The ARM assembler consists of machine instructions, pseudo-instructions and macro instructions.
1. Symbol definition pseudo-instruction
The symbol definition pseudo-instruction is used...[Details]
The first bird to stick out gets hammered. It is precisely because Huawei has strong self-developed capabilities in both software and hardware that it was forced to be suppressed by the United States...[Details]
This example uses local variables and practices the use of sequence structures and While loops to once again achieve the effect of a marquee.
Front panel design:
Program flowchar...[Details]
In recent years, Chinese manufacturers have taken the lead in innovation and are willing to invest in new innovations. One of these is removing the notch and hiding the front camera under the s...[Details]
Enter vi Makefile in linux to create a Makefile file
Note: You must add the TAB key before the command line
For example: assemble two files led.c and crt0.S to create a Makefi...[Details]
RF/Wirelessly
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