－－－－－－－－－What to do when an ARM exception occurs and when an ARM exception returns－－－－－－－－－－ A: When an exception occurs, the steps performed by the ARM microprocessor are: 1> Store the address of the...
if(flag_1s==1) { tmp=T0count*65536+TH0*256+TL0 } Why is the pulse count for one second tmp=T0count*65536+TH0*256+TL0, not T0count++ for every interrupt?...
[i=s]This post was last edited by yaohongxia0903 on 2019-8-1 22:14[/i]VAS5176 is a 8.5V-24V input, highly integrated switch-type lithium-ion/polymer battery charging chip that regulates 2A charging cu...
When we design a small PLC control system, we often need to change the data inside the PLC externally, such as the value of Counter, Timer or Data, to meet the needs of the production process. And it ...
[i=s] This post was last edited by zzsxx on 2018-2-24 09:39 [/i] The file is in the attachment, there are no pictures in the whole text, and negative comments are not accepted. This error mainly solve...
Assume that data is read from 8-bit AD (if it is a higher-bit AD, the data type can be defined as int), the subroutine is get_ad();
1. Limited secondary filtering
/* A value can be adjust...[Details]
Floating-point digital signal processing has become a constant requirement for precision technology, often in applications requiring high accuracy in areas such as aviation, industrial machinery, a...[Details]
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[Details]
1 Introduction
Solar street lights are mainly composed of four parts: solar photovoltaic cell components, batteries, charge and discharge controllers, and lighting fixtures. The bo...[Details]
Power management solutions for today's portable application processors are becoming increasingly integrated. Total power consumption, standby and sleep current consumption affect battery size, bill...[Details]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[Details]
Overview
In spectral measurement, photomultiplier tubes (PMT) and charge-coupled devices (CCD) are often used as photoelectric converters. PMT is used in slow-changing, high-precision spectral...[Details]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[Details]
To understand how and why OLED power supply affects display image quality, you must first understand OLED display technology and power supply requirements. This article will explain the latest OLED...[Details]
introduction
Incandescent bulbs can emit a variety of light, but in specific applications, only green, red, and yellow light are usually needed - such as traffic lights. If an incand...[Details]
0 Introduction
Under normal circumstances, the three-phase power in the power system is symmetrical, and they meet certain amplitude and phase conditions; but when the load changes, the syst...[Details]
introduction
The Steyr diesel engine produced by Weifang Diesel Engine Factory has huge power and is one of the main power models widely used in China's heavy machinery and large trucks. In ...[Details]
Test/Measurement
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