I saw a step-down circuit of the LM3478 chip, but I don't understand the peripheral circuit of the chip, especially pin 1 (Isen). According to the datasheet, it should always be in short-circuit prote...
I've recently been working on a PD protocol power bank, and I'm planning on making a bidirectional 65W power bank. The power supply in the PD protocol is negotiated between the source and the sink thr...
In the past one or two years, Huawei and Apple have been fighting each other. This year, Apple's "first move" is the iPhone 11, and Huawei's "second move" is the Huawei Mate 30.After a fierce debate b...
I share this article to explain the C language knowledge and key points that need to be understood in embedded development . I hope everyone who reads this article can gain something.
Some people say ...
Hi everyone, I was reading a book about analog electronics recently and came across the following circuit diagram. This is an AB amplifier. The book says that the current flowing through the diode is ...
The purpose of the fuel evaporative pollution control system is to prevent volatile hydrocarbons (HC) from evaporating and polluting the atmosphere. The fuel stored in the carburetor or fuel tank wil...[Details]
1 Introduction The side slip of the front wheels of a car is an important indicator for the safety technology detection of motor vehicles. When the car is driving in a straight line, the lateral di...[Details]
What are the characteristics of single-chip microcomputer and single-board computer in terms of composition?
Answer: The biggest difference between a microcontroller and a single-board computer lie...[Details]
Although with the help of Microsoft, the laptop camp equipped with Qualcomm Snapdragon processors has been greatly enriched, there is still a big gap in performance compared with Intel, which also li...[Details]
Recently, executives from Texas Instruments attended an industry conference hosted by Morgan Stanley, where they discussed many issues including the current state of the industry and their strengths....[Details]
/* ******************************************************** * It was my first time using IAR to program 51. It was a pain in the ass. I spent an entire night on it. * It is quite different from K...[Details]
The iPhone 12 series has been delivered to consumers one after another, and foreign media have conducted preliminary battery life tests on it. The results show that the battery life of an iPhone 12 w...[Details]
Today, I will share a useful article to help you better understand what a perfect PLC program looks like.
Design requirements that a perfect PLC program must meet
A complete PLC pro...[Details]
Unlike digital RF generators that only produce sine waves, function generators can produce repeating waveforms of different shapes, such as sine, square, triangle, sawtooth, and pulse waves. The fu...[Details]
Let's turn the clock back to 11 years ago. In September 2005, with a team of 3 people and a 400 square meter site, Jinlong Technology was born in Xiangshan, on the coast of the East China Sea. In 1...[Details]
Some friends who bought an oscilloscope may be curious about the refresh rate of the oscilloscope and wonder if they can measure it. Compared with the sampling rate, storage depth and other indicator...[Details]
Considering the sampling speeds of currently available ADCs and the many different voltage and clock domains inside a typical ADC, it is generally recommended to separate the different power supply ...[Details]
1 Analysis of the task scheduling algorithm of μC/OS-II
1.1 Interpretation of the μC/OS-II task ready table
The μC/OS operating system adopts the principle of task scheduling with priority ...[Details]
1. Introduction
With the continuous improvement of living standards, people's requirements for living environment have also greatly increased, and the requirements for information services and ...[Details]
A soft starter is a device used to control the start and stop of a motor. It can effectively reduce the impact of the motor on the power grid and mechanical equipment when it starts, and extend the...[Details]
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