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Pulse photoelectric coupling circuit diagram (capable of transmitting 5000HZ clock pulse)
This circuit uses a gallium arsenide infrared light emitting diode and is coupled to a silicon planar photo...[Details]
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#include
///////////////////////////////////////////////Digital tube constants////////////////////////////////////////////////////////
unsigned char code table ={0x00,0x10,0x20,0x30,0x40,0x...[Details]
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LPC2103 has two pin registers, PINSEL0 and PINSEL1, both of which are 32 bits wide.
Each two bits of the PINSEL0 and PINSEL1 registers control the function of a pin, so a pin can have up to 4 fun...[Details]
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There are many methods for particle size testing, and according to statistics, there are hundreds of them. Currently, the five commonly used methods are sedimentation method, laser method, screenin...[Details]
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This paper introduces the exploration and experience of Harbin Huaneng Central Heating Co., Ltd. in applying variable frequency speed control equipment, and also gives the technical characteristics...[Details]
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China Energy Storage Network:
Metal materials play an important role in the evolution of chip technology. As the size of advanced processes continues to shrink, precious metals and their al...[Details]
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1. Usage You will often see macro definition statements similar to the following, which are used to output high or low levels to the initialized IO ports. #define SET_BL_HIGH() GPIOA- B...[Details]
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Shanghai, June 30, 2023 – As the world's leading provider of test and measurement solutions, Rohde & Schwarz (hereinafter referred to as "R&S Company") recently launched the "Connectivity Release" at...[Details]
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In the process of electronic circuit design, how to continuously improve the power factor has always been a problem that many developers have been studying. PWM rectifier circuit is a rectifier circ...[Details]
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Have RF engineers encountered such problems when designing impedance matching between chips and antennas? They designed matching according to the parameters in the data sheet, but found that the actu...[Details]
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This application test is for non-nominal 50Ω cables, including coaxial, twisted pair, differential high-speed data line testing, including impedance parameters, S parameters (insertion loss, standing...[Details]
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With the continuous development of autonomous driving technology, the configuration of cars is becoming more and more advanced. However, most of the new technologies are only at the "optional" st...[Details]
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High and low temperature test chambers are also called temperature cycle test chambers, high and low temperature cycle test chambers, and high and low temperature alternating testing machines. The pr...[Details]
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Proceed as follows: 1. Burn the u-boot bin file into the Nor Flash of jz2440 through OpenJtag or EasyOpenjtag 2. Set jz2440 to Nor Flash boot, and press the space bar within 3 seconds of the boot c...[Details]
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According to foreign media reports, in order to enhance data capture capabilities during vehicle driving tests, ADAS system evaluation company IVEX cooperated with one-stop design and customization...[Details]