Is there a problem with selecting DEC for the mpc8280 system clock? The DEC interrupt priority is very low, not as high as the external interrupt. Can it be set?...
[i=s]This post was last edited by johnrey on 2015-7-15 21:56[/i] [color=#000][font=Tahoma,]Preconditions: 1. Systick is part of arm0+ core 2. In sleep mode, arm0+ core is down 3. __WFI will enter at l...
Showing my ugly electronic load:) 1. Front view2. Back view: The heat sink has no insulation, so I cut it with an ABS machine, and the four corners are just right: lol3. Top view. This old case is ver...
The code in the picture below is to make P1.2 and P1.6 output PWM waveforms, but I don't understand the words in the red circle in the picture. Does it mean that P1.2 and P1.6 both output PWM with a d...
This machine is used for static elimination on plastic printing machines. It is made in Taiwan. The control board and thyristor are broken. The IC, thyristor and diode have all been polished. I have n...
Why does the desired pulse wave not appear when differentiating a square wave? Is it possible to use a differential circuit to measure the rising edge time of a square wave?...
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[Details]
Vertical cavity surface emitting lasers (VCSELs) are gradually replacing traditional edge emitting lasers, especially in low bandwidth and short-distance communication systems where cost factors ar...[Details]
1. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[Details]
The potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[Details]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]
Problems such as the depletion of natural resources, air pollution, traffic congestion, and rising fossil fuel prices have forced societies and individuals to seek alternative means of transportati...[Details]
Motors, especially those with brushes, generate a lot of noise. This noise must be dealt with if the appliance is to meet the requirements of EMC standards. The means to solve EMC are nothing more ...[Details]
This article will introduce a design method for a distributed control system used in a tracking car, which can perform distributed control of motor modules, sensor modules, and lighting control mod...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
LED is the abbreviation of the English word. Its main meanings are: LED = Light Emitting Diode, a solid-state semiconductor device that can convert electrical energy into visible light. It can dire...[Details]
1 Overview
In the field of traditional lighting, the concepts and definitions of lamps and lamps are clear. Lamps and lamps have their own applicable product standards, supporting technical st...[Details]
Energy conservation and environmental protection are the main directions of current automotive technology research, and power batteries are the key to electric vehicle technology. Research on powe...[Details]
0 Introduction
With the rapid development of modern power electronics technology, various power electronic devices have been widely used in various fields such as power systems, industry, an...[Details]
Current
measurement:
Magnetic balance Hall current
sensor
is used
. The sensor can measure AC from DC to 100kHz.
In automatic measurement and control systems, it is often nec...[Details]
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