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1. Load type, output current and surge current The steady-state current flowing through the output terminal of the relay during use shall not exceed the rated output current at the corresponding tempe...
I would like to ask if the 8255A chip can only select one port at a time. After defining the address for the port, such as Q8255A XBYTE[0x1CFF], if you want to use port A in the program, you can direc...
[i=s]This post was last edited by maychang on 2019-7-23 15:32[/i] There are many definitions of digital power supply. The more common ones are Definition 1: Power supply with digital control functio...
:congratulate: I have a Bluetooth speaker. I think the built-in battery (7.4V 22.2Wh) is broken. Now I can only use it with a power adapter. I want to take it outside and there is no power supply. Can...
Recently, a Taiwanese engineer revealed that due to the outstanding performance of the department in 2021, TSMC's salary and benefits are equivalent to working in one year for two or three years.Figur...
Design tasks: 1. Design task: Use microcontroller, clock chip DS1302, temperature sensor DS18B20, 1602 LCD, etc. to realize the display of date, time and temperature, which is a simple perpetual cale...[Details]
A relay is an electronic control device that has a control system (also known as an input circuit) and a controlled system (also known as an output circuit). It is usually used in automatic control...[Details]
Hengqin is changing with each passing day. The industry layout is focused.
In the development of the integrated circuit industry, the government, industry and enterprises work closely togethe...[Details]
Hardware: The ARM processor integrated on the chip accesses peripherals through registers mapped to memory addresses. It also includes a special peripheral called a controller that implements memory c...[Details]
1 Overview
Wireless Sensor Network (WSN) is one of the hot research directions in the current information technology field. It integrates sensor technology, telemetry technology, embedded comp...[Details]
With the rapid development of computers, networks, image processing and transmission technologies, video surveillance technology and video surveillance systems are also constantly upgrading. T...[Details]
Introduction
At present, embedded systems have been more and more widely used in various fields such as industrial control, household appliances, mobile communications, PDAs, etc. As users ...[Details]
Before the introduction, we need to clarify two concepts: "screen material" and "image display technology". These two concepts are completely different. TFT, IPS, SLCD, AMOLED, Super AMOLED, Super AMO...[Details]
This morning, Chang Cheng, Vice President of Lenovo Group and General Manager of Lenovo Mobile Business China, released a poster with a one-day countdown to the Lenovo Z6 Youth Edition launch, reveal...[Details]
Beijing, May 6, 2019 - Texas Instruments (TI) recently introduced a fully tested battery management and traction inverter system reference design, as well as new analog circuits with advanced monitor...[Details]
At present, it is speculated that TikTok's global headquarters may be located in London or Dublin. According to a report on the 13th, a spokesman for the Frankfurt City Government in Germany confirme...[Details]
The curtain of the 5G era is slowly opening. Major mobile phone manufacturers who want to seize the market opportunity are doing everything they can to win the overall market share while also making ...[Details]
Use a multimeter to judge the quality of capacitors: Depending on the capacity of the electrolytic capacitor, the multimeter's R×10, R×100, or R×1K settings are usually used for testing. The red an...[Details]
Model identification analysis of AVR microcontrollers
1. The letter following the model indicates the voltage operating range. With "V": 1.8-5.5V; if it is not included, without "V": 2.7-5.5V.
E...[Details]
According to foreign media reports, Ford Motor Company has applied for a patent from the U.S. Patent and Trademark Office (USPTO) for an adaptive cruise control system that can be adjusted accordin...[Details]
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