After connecting the circuit according to the diagram, why is the high level output of LM393 only about 2.5V after the output is pulled up by 4.7k resistor? ?...
Abstract: This paper summarizes the four widely used single-chip reset circuits, establishes mathematical models for differential and integral reset circuits, and compares their reliability in use. It...
[i=s]This post was last edited by hello_mcu on 2021-8-9 22:26[/i]1. OverviewThis is my first time to experience silicon chips. I applied for the EFM32PG22 development board, which is very small but ha...
The nandflash driver in wince5.0 is divided into two layers: FAL+FMD. FMD is the interface function for nandflash, while the interface with the filesystem layer is implemented in the FAL layer. Where ...
[size=4] For AT89C52 to work, three circuits are essential, one is the clock circuit; the second is the reset circuit; the third is the power supply circuit. Today, I will take the STC89C52 microcontr...
In some applications, such as data loggers, it is desirable to have multiplexed analog outputs. When only a single output is active at a time, a voltage-output DAC">digital-to-analog converter (DAC) a...[Details]
Today's mobile phone production testing faces an increasingly complex environment, with challenges of multiple frequency bands and multiple standards, pressure on production test speed, and pressur...[Details]
introduction
With the rapid development of my country's aviation industry, various new aircraft and control equipment have been successfully developed. Some previous measurement and control eq...[Details]
Lithium-ion batteries have a high energy-to-weight and energy-to-volume ratio, no memory effect, can be recharged many times, have a long service life, and are becoming increasingly cheaper. A good...[Details]
introduction
Mobile phones, MP3 players, hard disk players, digital cameras, PDAs and other devices are all controlled by navigation keys. Currently, the more popular navigation key contro...[Details]
introduction
With the increasing popularity of Internet applications, the degree of information sharing is constantly improving. The digitization and networking of embedded devices has b...[Details]
Abstract:
Aiming at the performance requirements of the control system for micro-sized walking robots, a control system that can be used for multi-joint driving of walking robots is introduce...[Details]
1 Introduction
The LCD driver terminal integrates the LCD controller, microcontroller, etc., and encapsulates the functions of LCD control and graphical interface display through software....[Details]
Many observers and analysts agree that there will be only two hot technology topics in the field of electronic engineering and applications this year: one is wireless communication technology and t...[Details]
1 Introduction
The research is about a basic human parameter tester that can measure parameters such as body temperature, pulse and breathing interval. These parameters and records are the...[Details]
Preface
Today, automotive electronic devices account for a large proportion of the entire vehicle. Although these electronic modules bring comfort and safety to car users, at the same time...[Details]
DigRF is poised to replace the two main forms of data communication paths between RF and baseband semiconductor devices: analog signaling, and proprietary digital signaling (parallel or serial) for...[Details]
introduction:
With the development of power electronics, the application scope of inverter control technology and industrial field bus is becoming wider and wider. This system successfully...[Details]
0 Introduction
In the field of digital signal processing, filters are undoubtedly a very important link. Among digital filters, finite impulse response (FIR) filters are particularly widely us...[Details]
introduction
As an important part of the power supply system, the performance of the variable frequency power supply is directly related to the safety and reliability indicators of the ent...[Details]
Analog electronics
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