Why would you rather add a transistor inversion than swap the positions of the optocoupler and resistor?[[i] This post was last edited by dukedz on 2009-12-13 21:55[/i]]...
I recently discovered a problem. A board I designed before used STM32F103C8T6. The 8th pin VSSA analog ground pin was given the network number AGND. As a result, this board did not use the ADC periphe...
At present, I want to press a certain key on the keyboard to lock the touch screen and buttons, so that they do not respond, and then press this key again to unlock them. What can I do?...
Analog ElectronicsPrepared by: Li ZhizhongElectronic technology is divided into: "Analog Electronic Technology" and "Digital Electronic Technology", both of which are the basis for learning other rela...
Motors are important products that convert electrical energy into mechanical energy to achieve automation, and they are widely used in industrial control, medical electronics, white a...[Details]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[Details]
introduction
Sudan's Muglad Oilfield is a large oilfield jointly invested, developed and constructed by a four-party consortium of China, Malaysia, Canada and Sudan. It consists of 8 satellite...[Details]
The biggest advantage of Profibus is that it is guaranteed by the stable international standard EN50170 and has been proven to be universal in practical applications. It has been widely used in man...[Details]
1. Introduction
Stepper motor is a basic component that converts electrical energy into kinetic energy. It has been widely used in a variety of electromechanical equipment, such as various machine...[Details]
The programmable controller directly controls the stepper motor, which can significantly reduce the cost of the control system of the modular machine tool automatic production line. The article int...[Details]
The rotor of the brushless DC motor used in electric bicycles is composed of 30 to 40 pieces of NdFeB magnets. Since the surface magnetic field strength of NdFeB magnets exceeds 500mT, the position se...[Details]
1. Why do we need to do electromagnetic compatibility design for products?
Answer: To meet product functional requirements, reduce debugging time
,
make products meet the requirements o...[Details]
1 Theoretical Analysis
Ultrasonic waves
When propagating in a suspension, the ultrasonic waves that encounter the suspended particles are scattered and attenuated at the interface, an...[Details]
1 Introduction
The early stage control system used relay control. Due to the large number of stage equipment, the number of control elements is huge and the wiring is complicated. Therefore, th...[Details]
1 Introduction
When studying electronic courses such as "Electronic Circuits" and "Signal Processing", college students only understand the real signal characteristics in theory. They cannot r...[Details]
After removal, the robot uses an NI 1722 smart camera to randomly inspect for surface defects such as cracks, dents, scratches, and machining marks on the surface.
challenge:
...[Details]
Introduction
When manufacturers use microcontrollers for product development, they are concerned about the confidentiality of their codes and data. Considering the time and effort users put int...[Details]
Keil C51 Common Function Modules Instructions
Description
This document includes the description of the clock interrupt, communication and keyboard scanning modules (see the attached sourc...[Details]
For users of complex portable devices powered by rechargeable batteries, such as digital cameras, PDAs, and cell phones, longer battery life is of particular concern.
Since PDAs are small in s...[Details]
Mobile and portable
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