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At present, ATX power supply is widely used in computers. Compared with AT power supply, it is more in line with the energy-saving standards of "green computers", and its corresponding motherboar...[Details]
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On November 17, two industry standards, "Flexible Display Devices Part 4-1: Wearable Flexible Display Module Specifications" and "Organic Light-Emitting Diode Display Devices Part 4-1: Display Module...[Details]
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In lightning protection detection, there are many factors that cause inaccurate ground resistance readings. In summary, there are generally nine reasons. First, since the ground resistance tester te...[Details]
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As the sales and ownership of pure electric vehicles continue to increase, various automobile safety issues have become increasingly prominent, the most serious of which is the frequent spontaneous c...[Details]
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According to Android Authority, the Samsung Galaxy Note 20 may be officially released on August 5, and new products such as Samsung Galaxy Fold 2, Galaxy Tab S7, Galaxy Watch2 are also expected to de...[Details]
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The discussion about the Apple A4 began when Apple's chief operating officer, Steve Jobs, announced the iPad on January 27. Jobs showed one poorly made slide after another, reviewing Apple's growth...[Details]
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NVIC_InitStructure.NVIC_IRQChannel = EXTI2_IRQn; //External interrupt 2 NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x03; //Preemption priority 3 NVIC_InitStructure.NVIC_IRQChannelSu...[Details]
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1.warning: #550-D: variable "d" was set but never used Description: The variable 'd' is defined but never used, or, although you use this variable, the compiler thinks that the statement where the va...[Details]
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The rapid development of technology today has forced engineers to face new and increasing challenges. For test engineers, the emergence of new technologies and standards has made it impossible for ...[Details]
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If you want to buy the iPhone 13 series, you should think about it in advance because Apple is still preparing a higher-end series. Foreign media reported that both the entry-level and Pro mod...[Details]
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The program that determines the reception and transmission of data by the flashing of the light has a receiving end and a transmitting end If 24L01 uses reg51 then both devices must use reg51, if th...[Details]
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Strictly speaking, the encoder will only tell you how to position and execute. It is necessary to rely on the CNC system (or controller such as PLC or motion controller) to control the servo or ste...[Details]
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The detector is located on the rear focal plane of the system. If the maximum angle of the light source 1 to the front group of points is Zω, then the size of its image on the rear focal plane is d...[Details]
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Basic measurement knowledge of continuous radon detector:
1) Radioactivity
The number of nuclei decaying per unit time is called radioactivity, and its unit is Bq (Becquerel):
1Bq=1S mea...[Details]
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The mobile phone RF characteristic measurement solution includes the measurement of radiated power and receiver characteristics. This article introduces the test principle, the composition of the t...[Details]