The figure below is a flyback multi-channel output circuit. If both 5V and 3.3V are output normally,
The voltage-dividing resistors R1 and R2 will bias the transistor Q1. If Q3 and Q2 are in the off s...
2.3 Compile the kernel separately, and uboot generates many files. Which one should I use?
answer:
The kernel compiled file is the zImage file in the ~/MYiR-imx-Linux/arch/arm/boot/ directory.
The fil...
The previous post disassembled the small speaker and preliminarily determined the fault. For details, see the following link
Bose small speaker disassembly
It was my first time disassembling it, and I...
Looking through the circle of friends, it seems that the most discussed topic recently is the sanctions imposed on Huawei by the other side of the Pacific Ocean.
So at this time, will we electronic en...
Today, I learned the course of undefined instruction exception of jz2440 development board. After following teacher Wei Dongshan to write code, compile and burn, the program teacher could not run nor...[Details]
This article is translated from the Texas Instruments e2e blog, https://e2e.ti.com/blogs_/b/process/posts/the-3-updates-application-developers-need-to-know-about-bluetooth-core-specification-version-...[Details]
"There is no Huawei among the automotive companies yet," but Huawei has accelerated its embrace of the automotive industry. Recently, news came out that Ren Zhengfei signed an organizational change...[Details]
When I was studying mpu6050 today, I found a watchdog program in the program. In fact, I should have known this when I was studying 51, but I didn't. As a result, I am now studying 32, which is actua...[Details]
Benefiting from the fact that mobile phone brand customers are still actively adopting AMOLED panels, the penetration rate of AMOLED mobile phones is expected to grow from 31.0% in 2019 to 35.6%...[Details]
As telecommunication networks become more widely used for mission-critical services such as electronic funds transfer, order processing, customer service, inventory management, e-mail, and Internet ...[Details]
Many people have given their analysis on this topic, but a few words sometimes bring more doubts and confusion to people. I have referred to some papers and analyses and expressed my personal analy...[Details]
Recently, the Jiangsu Provincial Department of Industry and Information Technology issued the "Implementation Plan for Carbon Peaking in the Industrial Field and Key Industries in Jiangsu Province"...[Details]
Libertine FPE in the UK is developing a linear free piston generator that is tailored for hybrid vehicles, especially extended-range electric vehicles.
The new Libertine FPE linear generato...[Details]
At the second 5G Gigabit Network Industry Forum held recently, Gu Jinxu, chief engineer of the Beijing Economic and Information Technology Bureau, said that by 2022, Beijing's operators' cumulative i...[Details]
1 Introduction
With the development of solid-state light sources, the application of LED is no longer limited to the field of indicator lights. It has become increasingly superior ...[Details]
IP (Intellectual Propcrty) is often referred to as intellectual property. Dataquest Consulting Company in the United States defines IP in the semiconductor industry as a pre-designed circuit module...[Details]
Test environment: MPLAB IDE v8.73
Test chip: PIC16F877A
Required components:
PIC16F877A MCU Minimum system board
L298N Motor drive module
4P Dupont line
Final main circuit physical connection d...[Details]
1 Introduction Microwaves usually refer to decimeter waves, centimeter waves and millimeter waves. Regarding its frequency range, one statement is: 300MHz ~ 300GHz (1MHz = 106Hz, 1GHz = 109) ...[Details]
On October 14, the Yunnan Provincial Development and Reform Commission and the Yunnan Provincial Energy Bureau issued the "Yunnan Province 2024 Second Batch of New Energy Project Development and Const...[Details]
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