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On site, the interference problem of the frequency converter appears more frequently and is more serious, and even causes the control system to be unable to be put into use. This has always been a ...[Details]
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#include p IC .h __CONFIG(0x3B31); #define A0 RB0 #define A1 RB1 #define CS RB2 #define LE RD0 #define WR RD6 #define RD RD7 const unsigned char tab ={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf...[Details]
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"Reporting to the command center, the second remote special patrol of the 220 kV Jinxiu substation has been completed today. All 3581 patrol operations have been fully covered and executed. All mon...[Details]
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The supply of polarizing plates for displays is expected to remain tight this year, as the production of polarizing plates has decreased due to the COVID-19 pandemic, while the demand for polarizing ...[Details]
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Common methods of displacement measurement include image analysis, dual-frequency laser measurement, grating or magnetic grating measurement, magnetoresistance or magnetic field measurement, etc. Amo...[Details]
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The launch program is written in 51
#include reg52.h
#include intrins.h
#define uchar unsigned char
#define uint unsigned int
#define TX_ADR_WIDTH 5
#define TX_PLOAD_WIDTH 4
// SPI...[Details]
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At today's 2023 Huawei Smart Car Solution Conference, Huawei Smart Car Solution BU CEO Yu Chengdong delivered a speech. Now smart electric cars will recreate the transformation from feature phon...[Details]
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Data types (the compiler supports the ISO/ANSI C basic data types and some additional data types) 1.1. Integer data The bool data type is supported by default in C++. If you include stdbool.h in ...[Details]
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In recent years, with the diversification of wireless communication services such as online games and streaming content, the demand for faster data transmission and shorter waiting time has increased...[Details]
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Two working states 1. ARM state: 32 bits. The ARM state executes word-aligned 32-bit ARM instructions. 2. Thumb state, 16 bits, execute half-word aligned 16-bit instructions. 3. Use the Bx Rn ins...[Details]
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1. Use CASE statement
LIBRARY IEEE;
USE IEEE.STD_LOGIC_1164.ALL;
ENTITY LS138 IS
PORT ( S:in STD_LOGIC_vector(2 downto 0);
Y: out STD_LOGIC_vector(7 downto 0));
en...[Details]
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In switching power supplies, current sampling is very important. Common current sampling calculation methods include average value sampling method and effective value sampling method. Now we analyze ...[Details]
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According to the latest report released by IDC on Thursday: The global smartphone market suffered a bigger-than-expected blow in the third quarter of 2021 - after achieving double-digit growth in the...[Details]
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In recent years, with the rapid development of computer technology and electronic technology, through continuous system function integration and optimization, network coverage and transmission st...[Details]
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Apple plans to produce 20% less iPhone SE next quarter than originally planned and reduce its full-year AirPods orders by more than 10 million units, according to people familiar with the matter, one...[Details]
Test/Measurement
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