[i=s]This post was last edited by qwqwqw2088 on 2019-5-14 07:58[/i] [size=4]Sandwich winding[/size] [size=4] [/size] [align=center][size=4][/size][/align][size=4] The sandwich winding method has a lon...
In life, we often encounter power failures in devices, such as mobile phones, smart bracelets, computers, etc. However, the stored information will not be lost, such as phone numbers, text messages, n...
1: I am using STM32F103VET6, and now I am using timer interrupt and external interrupt. Both interrupts can be used separately. However, when the timer interrupt is called in the external interrupt, t...
Infrared emission, blocked by an object, reflected reception, output signal to control the relay, and then control the optical drive. Please help me draw the circuit diagram~~~...
Use ADC0832, high-precision potentiometer JC-1A development board to design a voltmeter that can measure DC voltage. Input the measured signal 0-20V, display accuracy to 0.01V. The voltage error measu...
Today's computer peripherals are pursuing high speed and high versatility. In order to meet user needs, seven companies led by Intel launched the USB (Universal Serial Bus) bus protocol in 1994, wh...[Details]
Sailing is gaining more and more attention. How to use modern technology to assist training and improve competition results is particularly important. Considering the real-time data collection in t...[Details]
The solidification and modularization of intelligent video analysis algorithms are the current trends in the application of intelligent video analysis technology. It perfectly combines intelligent ...[Details]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]
With the rapid development of cities and the improvement of citizens' living standards, the number of various vehicles in cities is growing, and the demand for parking spaces in major commercial an...[Details]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[Details]
1 Development of LED Film and Television Lighting
1.1 The significance of developing film and television lighting
Lighting power consumption accounts for a large proportion of the total p...[Details]
Electric bicycles have long been a means of transportation for lower-income groups due to their affordability. The largest concentrated expense in the use of electric vehicles is the cost of replac...[Details]
Mobile phones, MP3s, tablet computers, laptops, digital cameras, handheld game consoles, navigation devices, etc., all these mobile devices are powered by mobile batteries, and the battery life is ...[Details]
1 Introduction
Fieldbus is a serial, digital, multi-point communication data bus between field equipment/instruments installed in the production process area and automatic control devices/syst...[Details]
1. Introduction
With the rapid development of computer technology, communication technology, and integrated circuit technology, the large-scale application of field control instruments and equ...[Details]
Today, fleet management innovation has made great progress. Whether trucks, buses, taxis or other means of transportation, wireless satellite positioning systems are used to enable dispatchers to u...[Details]
"Multimeter" is the abbreviation of multimeter, which is an indispensable tool in our electronic production. The advantages of multimeter are that it has many uses, a wide range, an...[Details]
In the past 20 years, although the inverters that use power transistors (GTR) as inverter power devices, 8-bit microprocessors as control cores, and realize asynchronous motor speed regulation acco...[Details]
Analogue and Mixed Signal
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