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In previous test systems, the lead-type test method is generally used to achieve synchronous acquisition, display and analysis of signals. However, in the harsh environment of high temperature, high ...[Details]
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Atomthreads, like many operating systems, calls idle when there is no task scheduling. static void atomIdleThread (uint32_t param) { /* Compiler warning */ param = param; /* Loop fore...[Details]
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1.
Thin and high
power
LED
display screen
According to current market observations, 20CM thick cabinets
still account for a large proportion of
global ...[Details]
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1. Introduction to Android 1. What is Android: Android is a free and open source operating system based on Linux, mainly suitable for mobile devices such as smartphones and tablets. It is led and dev...[Details]
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The positive and negative poles of a crystal diode can be identified by the following methods:
1. Look at the symbol on the shell: Usually the diode shell is marked with the symbol of the ...[Details]
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On September 16, Kunlang Technology (Shanghai) Co., Ltd. (hereinafter referred to as "Kunlang Technology") made its first public appearance at the 2022 World Intelligent Connected Vehicle Conference ...[Details]
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设计一个可容纳四组参賽的数字式抢答器，每组设一个按钮供抢答使用。抢答器具有第一信号鉴别和锁存功能，使除第一抢答者外的按钮不起作用；设置一个主持人“复位”按钮，主持人复位后，开始抢答，第一信号鉴别锁存电路得到信号后，用指示灯显示抢答组别，扬声器发出２３秒的音响。
*设置犯规电路，对提前抢答和超时答题（例如3分钟）的组别鸣笛示警，并由组别显示电路显示出犯规组别。
设置一个计分...[Details]
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Embedded systems are a hot topic in today's computer software field, and real-time performance is a basic requirement for embedded systems. With the continuous development of embedded technology, the...[Details]
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Wireless technology is an important part of modern communications, and more and more users and applications require more bandwidth. 5G networks are now in full swing, which has greatly promoted the d...[Details]
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Figure (a) shows the principle circuit diagram of the AC/AC converter. In fact, it is composed of a positive group (P) double half-wave converter and a negative group (N) double half-wave converter i...[Details]
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Recently, Amap has launched a new "Smart Traffic Avoidance" mode. After upgrading the App to the latest version, when the user is driving, Amap will calculate the congested road ahead and the distanc...[Details]
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The concept of HVAC includes heating, ventilation, and air conditioning, so it has a broader concept than central air conditioning. As can be seen from Figure 1, HVAC is an important environmental...[Details]
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Chinanews.com (Cai Jiangang and Qiao Jun) On February 21, in Xuzhuang Village, Xiong County, Xiongan New Area, at the N7 foundation site of the Beijing-Xiongan High-speed Railway Xiongan 220 kV tra...[Details]
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;;c51 controls the left and right shift display of the two-color dot matrix.;;
;;;The program displays 6;;
ORG 0
AJMP MAIN
MAIN:
MOV 30H,#00H
MOV 31H,#00H
MOV 32H,#0FEH
MOV 33H,#9...[Details]
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1. Overview
CNC (Computer Numerical Control) machine tools are automated machine tools controlled by computer programs and are widely used in metal processing, mold manufacturing and other fie...[Details]
Microcontroller MCU
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