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A problem I solved some time ago seemed like a small problem, but it actually took me a week's worth of rest time at night to solve it. I'd like to record and share it. Problem Description: In the ...[Details]
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0 Preface
With the development of society, people are paying more and more attention to the development of health care, and the requirements for medical technology are getting higher and higher. ...[Details]
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Huaqiangbei once had too much halo: "the largest electronic products distribution center in the country and even the world", "China's No. 1 electronics street", "the weathervane of China's electronic...[Details]
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What should I do if I can’t learn the microcontroller? It reminds me of some of my own bitter learning history. I have been developing microcontrollers for more than 10 years, and I am naturally very...[Details]
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The vivo X60 and X60 Pro phones were released on December 29, 2020. The X60 is equipped with a Samsung Exynos 1080 chip, a second-generation micro-gimbal camera, and a screen that supports 120Hz...[Details]
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Today, the number of electronic components used in automobiles is increasing, and this trend will continue, which brings more design challenges to the power conversion that powers the system. These...[Details]
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Nickel-cadmium batteries are newly developed secondary batteries in recent years. They are small in size and have large discharge current. Generally, nickel-cadmium batteries can be recharged more th...[Details]
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With the advent of the 3G era, mobile terminal identity SIM cards will develop in three directions in the next two years: first, a highly secure identity recognition platform; second, a contactless mo...[Details]
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Driver source code:
#include "linux/module.h"
#include "linux/kernel.h"
#include "linux/fs.h"
#include "linux/init.h"
#include "linux/delay.h"
#include "linux/irq.h"
#include "asm...[Details]
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This project uses TIM2 channel 1 to generate 38KHz frequency; the corresponding MCU pin is PA0, which is multiplexed by default; The key point is how to configure the parameters of TIM2 to generate...[Details]
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This article details how to use an inexpensive 555 timer to replace a microprocessor to control a dedicated LED driver in applications where the full functionality of the LED driver is not required...[Details]
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E4991B Impedance Analyzer Description: The E4991B impedance analyzer has a frequency range of 1 MHz to 3 GHz, provides 0.65% basic accuracy over a wide impedance range, and has a built-in 40 V DC bia...[Details]
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As shown in the figure, this is the LM4912 dual-channel amplifier circuit. The left and right channel audio signals are input into the 1st and 5th pins of the LM4912 respectively, and are output fr...[Details]
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On October 24, 2024,
the 2024 Continental China Experience Day hosted by Continental was held in Gaoyou City, Jiangsu Province
. Nearly 200 guests from upstream and downstream of the automo...[Details]