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In Chapter 3, we learned about 74HC138 and learned that 74HC138 can only make one output port low at the same time, that is, at one time, we can only enable one digital tube and change the display ch...[Details]
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Without further ado, here are the pictures. /* Main.c file generated by New Project wizard * * Created: Saturday, November 25, 2017 * Processor: 80C52 * Compiler: Keil for 8051 * Author: C...[Details]
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On September 24, reporters learned that Boston Battery, together with Jiangsu Zhongguancun Science and Technology Industrial Park and Liyang Municipal Government, will build another "super battery ...[Details]
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Principle of variable frequency speed regulating motor
Variable frequency motor is abbreviated as variable frequency motor, which is a general term for motors driven by frequency converters. I...[Details]
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0 Introduction
In the application of intelligent home control system, wireless communication and control have been used more and more widely. In order to realize the centralized wireless control of...[Details]
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In the 5G era, mobile phone processors are becoming more and more important. Now most domestic manufacturers have to rely on 5G processors from Qualcomm and MediaTek. However, this situation will soo...[Details]
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Pulse width modulation (PWM) dimming can produce a dimming ratio of 3000:1 or higher without any significant loss of accuracy and without changing the LED color. This article will introduce the LED d...[Details]
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When developing
battery-
powered devices, especially systems with strict requirements on the standby or operating time of the device, such as mobile phones, it becomes increasingly importan...[Details]
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LEDs for lighting applications today have the brightness, efficiency, lifespan, color temperature, and white point stability required for general lighting. As a result, these LEDs are used in the vast...[Details]
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Abstract: The probe is the first link in observing the signal. Its main function is to carry the link of signal transmission and transmit the signal to be tested completely and reliably to the osci...[Details]
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Introduction
Siemens S7-1200 is a compact, modular PLC that can complete tasks such as simple logic control, advanced logic control, HMI and network communication. It is easy to design and imp...[Details]
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Figure 1 is the circuit principle of the high-speed control scheme LED display. The MCS51 series single-chip microcomputer is used to control the LED display; the random access memory 62512 is used...[Details]
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According to foreign media reports, Farasis Energy, the world's leading lithium-ion soft-pack battery manufacturer, announced that it has achieved a milestone in the performance of its electric vehic...[Details]
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In today’s automotive engineering field, real-time analysis technology is gradually emerging as a transformative force in promoting the application of artificial intelligence (AI) in vehicle termin...[Details]
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Servo press machine is a kind of automation equipment widely used in industrial production, mainly used to realize accurate press-fitting of workpieces. Its working principle is to achieve accurate...[Details]