The electric car's headlights are not on, but the horn is ringing. There is a 60V voltage at one of the two control circuits on the headlight circuit board, and the normal state of the circuit is 0V a...
Xi Guohua, Vice Minister of the Ministry of Information Industry, said at China Telecom's 2006 annual work conference that "the time has come for 3G licensing decisions", which makes people believe th...
By: Analog Devices | Ching Man, Applications EngineerIntroduction: Challenges facing engineers in an era of continuous developmentTight schedules sometimes cause engineers to ignore other key details ...
Now the project needs a DCDC step-down chip that can reduce 18V to 12V and output current up to 3A, and the peripheral circuit is required to be relatively simple. Now I use LM2576-12, but this chip g...
I don't know if the description in the title is accurate. For example, there is a microphone. The normal output signal is 1V. When there is sound, it fluctuates up and down. In general, a resistor wil...
The diode is not a linear element. When analyzing the circuits such as current limiting, amplitude limiting, freewheeling protection, low voltage stabilization, and gate circuits, the ideal model of...[Details]
On August 9, Lei Jun responded to several questions that Mi fans were most concerned about on Weibo, including whether there would be a MIX this time, when MIX Alpha would be mass-produced, and wheth...[Details]
A blogger exposed the WeChat chat records of Li Nan, the former senior vice president of Meizu Technology. Li Nan said that iPhone 7 Plus users can consider upgrading to iPhone 11, and iPhone X...[Details]
In the application of single-chip microcomputers, this situation often occurs. When using a single-chip microcomputer to make an electronic clock or a control system that requires clock-based contr...[Details]
I have been learning how to use AVR microcontrollers these days, and I have also transplanted some function libraries that I used on 51 microcontrollers before. Today I am debugging LCD1602 and would...[Details]
1 Introduction
Mobile data processing and transmission systems are mainly used in small or portable instruments. They can collect, process and transmit and receive data through wireless mobile ...[Details]
Ultrasonic tooth cleaning machines have been widely used in the medical field. Most ultrasonic tooth cleaning machines used at home and abroad now use analog oscillation circuits. There are the f...[Details]
On November 13, the Standardization Management Center of China Electricity Council solicited opinions on the standard of "Operation Procedures for Hydrogen Storage Systems of Hydrogen Energy Storag...[Details]
On August 31, NavInfo released its 2021 semi-annual report. The semi-annual report shows that in the first half of the year, NavInfo achieved revenue of 1.198 billion yuan, an increase of 24.55% over...[Details]
According to the EU's requirements for automobile CO2 emission limits, by 2025, this emission index must be reduced by 15.0% compared to 2021; by 2030, this emission index must be reduced by 37.5% ...[Details]
1 Introduction With the continuous development of computer technology, computer applications have gradually formed two major branches in its development process. One is general-purpose computers, re...[Details]
Introduction: This chapter will describe how to configure GPIO and how to configure UART STM8 project template: http://download.csdn.net/detail/u012388993/9904051 The basic system configuration ...[Details]
Experimental purpose: Familiar with the SPI bus and the reading and writing of 9346EEPROM ;When the RBO key is pressed, DATA and DATA2 are written into the unit with EE-ADDR as the address in the EEP...[Details]
1 Project Overview The micro urine analyzer we designed can detect ten parameters of urine, including white blood cells, nitrite, urobilinogen, protein, pH value, occult blood, specific gravity, keto...[Details]
Beats has a new pair of headphones coming soon, and this week's iOS 15.1 build candidate revealed them to be "Beats Fit Pro" wireless headphones that look similar to the recently launched Beats...[Details]