[size=4]Electret Condenser Microphone (ECM) Currently, we are basically using active MIC, because we need to power the microphone; passive microphone, do not need to power it, but need to borrow exter...
1 IntroductionWith the development of economy and the improvement of people's living standards, all walks of life have put forward higher requirements for power supply reliability and quality. Since t...
[font=黑体][size=3] [/size][/font] [font=黑体][size=3]Please help me, thank you, save the child, write it in assembly language or assembly C language. [/size][/font]...
[align=left][color=rgb(0, 0, 0)][font=Verdana, Arial, Helvetica, sans-serif][size=14px]The lower the power consumption requirement for low-power Bluetooth applications, the better. The lower the power...
Using this chipAnd an Internet port with its own isolation transformer, design the on-board Internet port.
Question 1: When routing the two sets of differential signals, do you drill through holes or ...
The SPI bus system is a synchronous serial peripheral interface; it is a high-speed, full-duplex, synchronous communication bus, and it only occupies four wires on the chip pins, saving the chip pins,...
With the rapid development of the Internet, the number of network users has increased rapidly. While using computers for network interconnection, various home appliances, instrumentation equipment and...[Details]
1. Install the software Taking Win10 operating system as an example, insert the CD that comes with the product into the computer's CD drive, open the 1.71TSA USB mini Spectrum Analyzer CDSW_ fileTSA_...[Details]
On August 27, Fangxin Electronics' integrated circuit advanced packaging and testing project was signed and settled in Jiaxing Science and Technology City, Zhejiang Province. The project is mainly en...[Details]
As the "Plus" version of lithium iron phosphate and also a "good partner" of high-nickel ternary materials, lithium iron manganese phosphate materials have shined this year. Many companies including ...[Details]
1 Introduction
At present, household refrigerators can be divided into two types according to the cooling method inside the box: indirect cooling type and direct cooling type. Indirect cooling type ...[Details]
High permeability and low magnetic loss materials for 13.56㎒ near field communication (NFC) applications High flexibility allows the sheet to be easily formed into desired shapes High quality fact...[Details]
In the context of the "new three modernizations", automotive MCU chips are being rapidly upgraded, and the localization of the supply chain has also led to the continuous implementation of automotiv...[Details]
1. Mode setting Boot mode setting actually refers to the selection of the starting address area for startup. In STM32F20x and STM32F21x, there are three modes to choose from, namely on-chip Flash, s...[Details]
This document was written by hand after watching the LCD driver video of Professor Wei Dongshan, so it may prompt that the header file cannot be found, etc. In addition, the three modules cfb_fillrec...[Details]
When using a multimeter, you should first be familiar with the meanings of the various symbols on the instrument panel and the main functions of each knob and selector switch. You should check whethe...[Details]
A White House official said on Monday local time that U.S. National Security Advisor Jake Sullivan visited Brazil last week and expressed concerns about Huawei equipment in the country's 5G network, ...[Details]
On January 18, according to PhoneArena, the black version of the Samsung Galaxy S21 Ultra 128GB is out of stock on Samsung's official US website, and the price is US$599.99 (approximately RMB 3,...[Details]
1. Special applications of positive and negative voltage fixed integrated regulators
Many electronic instruments and operational amplifiers require positive and negative symmetrical power supplies....[Details]
Recently, Miao Yonghua, President of Zhongtian Technology New Energy Industry Group, and his delegation visited Kehua Data, and the two parties signed a strategic cooperation framework agreement. I...[Details]
1 Introduction The switching power supply is generally composed of a main power circuit, an auxiliary power supply and a control circuit. The main power circuit is mainly used to supply power to the...[Details]