I've been playing around with amorphous inverters recently. I bought a pack of 460 tubes to try out for the backstage. Every time I put one on, it exploded. I was furious. I thought there was somethin...
[size=4]In embedded software development, such as microcontroller programs, we will definitely write a large infinite loop program, that is, polling the IO port. Usually, [/size] [size=4] [/size] [siz...
What technology did ZigBee originate from?
In the process of using Bluetooth technology, people found that although Bluetooth technology has many advantages, it still has many defects. For the field...
[i=s]This post was last edited by Popular Technology on 2021-11-17 23:17[/i]It's been a few days since I got the board. I tested the RGB dot screen these days. Because the development board itself doe...
Question: What is the accuracy deviation of the charging current set by BQ24133? ? For example, I use a 1% accuracy resistor to limit the charging current to 2.21A. If the voltage division does not ch...
Hundreds of schools of thought: 3G will be an unprecedented success in China There is no doubt about whether China's 3G market will open, the question now is when it will surface. The issue of issuin...
Introduction: Programming of buttons and digital tubes Input mode of AVR IO port and selection of pull-up resistor Structure statement and query method of buttons Programming of digital tube Basic pr...[Details]
Introduction
In recent years, with the rise of China's automobile industry, the related automobile multimedia technology has also flourished. At present, automobile multimedia mainly focus...[Details]
Recently, Google's new Pixel 4 series phones have been exposed wildly. Now the 5G version of Pixel 4 XL has appeared on the Internet, and this model has 8GB of memory. Geekbench data shows ...[Details]
Input Mode (1) Floating input: When there is no external voltage input, the voltage is uncertain. (2) Pull-up input: When there is no external voltage input, the IO port is connected to the high ...[Details]
On the evening of November 23, Luxshare Technology issued an announcement stating that the company plans to raise no more than 2.94 billion yuan, mainly for the third-generation power semiconductor (...[Details]
0 Introduction
In recent years, Asymmetric Digital Subscriber Line (ADSL) has been widely used worldwide as a solution to the "last mile" problem of the network. In China, ADSL services have be...[Details]
Abstract: Design a DC motor control system in the master-slave control mode of embedded microprocessor ARM&DSP, focusing on the DC motor monitoring system interface designed based on QT/Embedded, i...[Details]
12V-220V 200W voltage regulated inverter power supply circuit
The existing dual 12V-200W power transformer can be used, but the inverter efficiency is not high
...[Details]
The BMW MINI ice cream incident continues to ferment, and a crusade caused by ice cream has made the public relations of BMW Motorrad Germany (BMWG) face a formidable enemy. On April 20, the BMW Gr...[Details]
In September 2015, President Xi Jinping proposed at the United Nations Development Summit that China should explore the construction of a global energy internet and promote the use of clean and gre...[Details]
1. Use proteus to draw a simple circuit diagram for subsequent simulation 2. Programming /*********************************************************************************************************...[Details]
1. Memory interface introduction 1.1. Introduction of memory controller 1.1.1 Introduction 2440 is a SOC, in which peripherals are divided into several types: Gate circuit type: GPIO Protocol int...[Details]
Frequency characteristics are the response characteristics of a system (or component) to input signals of different frequencies, and are one of the most important characteristics of a network. The ...[Details]
AC motors generally use three-phase system, because compared with single-phase motors, three-phase AC motors have obvious advantages in performance indicators, raw material utilization and price. T...[Details]
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