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Relay-controlled variable frequency/industrial frequency switching circuit The relay-controlled switching circuit is shown in Figure 1-1.
The working process of the switching control...[Details]
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0 Introduction
In order to meet the increasingly stringent emission regulations, the exhaust temperature, pressure and other parameters of the engine need to be tested when the vehicle leaves t...[Details]
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#include
#include
#include
#include "lcdbn.h"
uchar data1 ={0,2,5,0};
uchar data2 = {0,0,0,0};
uchar j,key=0;
uchar chr ="pre: *2%";
uchar *chr1 ={"openc V: ",
"s...[Details]
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Although it is already June, the new energy vehicle market still does not seem to have recovered significantly. In May this year, the installed capacity of power batteries did not achieve positive gr...[Details]
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Scope of application: Wet Adhesion Scrub Resistance Tester Coated or uncoated surfaces need to use brushes, sponges, scouring pads, sandpaper or other methods to test their ability to resist scrubbin...[Details]
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(l) Classification by sensor structure l) Axial type (ordinary type) The impeller axis center coincides with the pipeline axis. It is TUF's leading product and has a full range of products (DN10 ...[Details]
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Since there is only one digital tube, it can only display 0 to 15, so this timer can be used for 0 to 15 minutes, 0 to 15 hours, 0 to 15 days, and 0 to 15 weeks. I originally wanted to add a timer for...[Details]
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New maXTouch® touchscreen controller supports LCD and OLED displays, reducing the complexity and cost of integrating ultra-wide touchscreens up to 45 inches To better meet the needs of safe, intui...[Details]
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1. Set BOOT0 to 1 and BOOT1 to 0 BOOT0 is not connected to a short-circuit block and is at a high level. 2. Connect the computer and the circuit board via the USB to serial port module The GND of t...[Details]
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The new generation S-Class sedan launched by Mercedes-Benz in 2020, code-named W223, adopts Mercedes-Benz's latest STAR3 architecture in E/E architecture. The new C-Class in 2021, code-named W206, ...[Details]
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Semtech announced its partnership with AWS to license its LoRa Cloud global navigation satellite system (GNSS) capabilities. Mohan Maheswaran, President and CEO of Semtech, said: "We are excited abou...[Details]
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A wireless sensor network is a network composed of sensor nodes that can monitor, sense and collect various information of the objects of interest to the observers in the node deployment area in re...[Details]
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Modern information technology has brought revolutionary changes to sensor technology. The application of embedded technology has greatly improved signal processing technology and increased test accu...[Details]
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0 Introduction
Under normal circumstances, the three-phase power in the power system is symmetrical, and they meet certain amplitude and phase conditions; but when the load changes, the syst...[Details]
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According to recent media reports, among the more than 20 terminal models in China Mobile's TD-LTE terminal bidding, 15 use Qualcomm chips and another 5 use Marvell chips. These two foreign chip manu...[Details]