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The content of this paper is a portable automobile instrument test system based on LabviEW. Therefore, we must first study the types and structures of instruments, understand and analyze the struct...[Details]
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Currently, a new high-tech "tattoo piece" can detect whether you are in the early stages of illness. This "tattoo piece" is woven from gold and silk. This temporary skin print can detect conditions s...[Details]
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summary
In a distributed base station system, RRU usually achieves remote interconnection with BBU through optical fiber. Due to the characteristics of optical fiber itself, jitter and drift will...[Details]
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SMIC, China's largest foundry, announced on the 18th that it had issued a series of purchase orders to Lam Research for machines and equipment in the 12-month period from March 12, 2019 to February 1...[Details]
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The basic principles and characteristics of the seven-electrode conductivity sensor are explained. According to the physical characteristics of the sensor itself and the requirements of high-precisio...[Details]
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During the process, when local discharge occurs in some weak parts of the internal insulation under the action of high field strength, ultrasonic energy is released, and spherical ultrasonic waves pr...[Details]
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Display the preset characters in a dot matrix in a marquee style (shift left) from left to right ;port 3.0~3.6 connect to column
;port 1.0~1.4 connect to row
;delay=0.2s
;==========
;= Main ...[Details]
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Most of my friends will use the following excerpt "Porting Java Virtual Machine to mini2440" http://www.linuxidc.com/Linux/2011-08/41912.htm as a reference, but there are several errors in it:
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1. The startup file startup_stm32f10x_hd.s of stm32
The startup file is the first assembly program to be run after the processor is reset. Before running the C language code, it is necessary to asse...[Details]
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Summary In most lab environments, signal generators, spectrum analyzers, and other equipment are single-ended instruments used to measure distortion in high-speed differential amplifier drivers an...[Details]
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Yesterday, Xiaomi Group Vice President, China President, and Redmi Brand General Manager began to prepare for the promotion of the new generation of Redmi flagship series K40 series. For examp...[Details]
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#include iom8v.h #include macros.h #define uchar unsigned char #define uint unsigned int /////////////////////////////////////////////////////////////// #define rs_L PORTD&=~BIT(0) #define...[Details]
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The main inverter is also a four-quadrant high-frequency half-bridge converter that can transmit power bidirectionally. Its operating frequency is about 15kHz. It is connected in parallel to the UPS ...[Details]
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Transformer installation problems Reason: Improper installation will aggravate transformer vibration and amplify transformer noise. Judgment method: Content from: www.365zhanlan.com (1) The t...[Details]
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01
What is Embedded Software?
Embedded software is the operating system and development tool...[Details]