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Eaton is a global leader in power quality, power distribution and control systems and components. To maximize the reliability of your uninterruptible power supply (UPS), we strongly re...[Details]
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A digital water temperature control valve based on PIC16C71 single chip microcomputer is designed. The control valve uses NTC thermistor as temperature sensor, and a simple voltage divider circuit is...[Details]
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It may be a bit difficult for people who are new to preemptive priority and response priority to learn the interrupt priority of STM32. Here is an introduction to the priority:
An interrupt with a hi...[Details]
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The ALE of the MCS-51 microcontroller is the address latch signal, which outputs two positive pulses in each machine cycle.
When accessing the off-chip memory, the falling edge is used to control t...[Details]
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During the mid-year report release period for chip stocks, many chip companies handed in their first half report cards. Among these report cards, if the net profit growth is used as the evaluation st...[Details]
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OFweek Cup 2022 China
Robot
Industry Annual Awards (abbreviated as OFweek Robot Awards 2022) is jointly organized by OFweek, China's high-tech industry portal, and its authoritative robo...[Details]
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The immutability and uniqueness of fingerprints make fingerprint recognition technology the most widely used identity authentication. In recent years, with the development of the latest information p...[Details]
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On April 29, the wafer casting ceremony of Jingxin Semiconductor's 12-inch wafer regeneration project was held. Hubei Daily reported that this marked the start of trial production at Hubei's first wa...[Details]
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On December 19, Redmi K30 product manager and Redmi ID designer @画东画西MI revealed the Redmi K30 Pro for the first time when interacting with Mi fans. A Mi fan asked a question, hoping that the...[Details]
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Let's take a look at the simplest experiment of lighting a lamp. The experiment requires you to use KEY4*4 buttons. Press the button to turn on the light, and lift the button to turn off the light, a...[Details]
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According to the latest news, US officials decided on Monday to delay the implementation of the ban on Huawei by 90 days until mid-August, on the grounds that Huawei and its business partners need ti...[Details]
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Characteristic impedance tester Qmax CIMS1000 is a new type of characteristic impedance tester for PCB and cable testing. The instrument uses the L/C loop in the circuit to measure and calculates...[Details]
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Microcontrollers are an integrated circuit chip that uses very large-scale integrated circuit technology to combine a central processing unit (CPU) with data processing capabilities, random access ...[Details]
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//24c08 address is 0xa0
#include reg52.h
#define uchar unsigned char
unsigned char code table ={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};
unsigned char sec=0; //Define the count value...[Details]
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ARM system clock initialization:
This requires knowing what is a clock pulse signal, what is a clock frequency, and what is a clock source.
Clock pulse signal:
Clock pulse ...[Details]
Analog electronics
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