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Video surveillance systems are widely used in industrial, military and civil fields, playing an important role in the security and environmental monitoring of these industries. Video surveillance sys...[Details]
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Today @尾巴大叔preheated the new AYANEO NEXT handheld game console, saying that this handheld game console is their exploration of the industrial design and form definition of Windows handheld game...[Details]
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MAX660 pin configuration and internal structure block diagram
MAX660 is a converter that changes a given voltage into different voltages. It can convert positive voltage Vcc into nega...[Details]
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Spectrophotometer Data Collection Principle
1.1 Double beam spectrophotometer principle
The basic principle used by the spectrophotometer is the Lambert-Beer law, that is, the abso...[Details]
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1. Open the instrument case cover and ground the instrument casing firmly. 2. Insert one end of the arrester into the high-voltage bushing of the instrument (H end), and clamp the other end with...[Details]
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On July 13, Dianlian Technology released its performance forecast, predicting that the net profit attributable to the parent company in the first half of 2021 will be 183 million yuan to 193 million ...[Details]
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Black box testing method: Black box testing is also called functional testing and data-driven testing. It treats the software under test as a black box that cannot be opened, and designs test cases a...[Details]
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introduction
When we developed the nitrogen oxide chemiluminescence analyzer, there were three places in the whole system that needed temperature measurement and control: the reaction chamber, th...[Details]
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Energy-saving initiatives, such as "80+ Titianium" for enterprise servers and cloud data center power supplies, and the EU Code of Conduct (CoC) Tier 2 for external power adapters, are turning power ...[Details]
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LC oscillation arc extinguishing circuit
Figure LC oscillation arc extinguishing circuit
The circuit of LC oscillation arc extinguishing is shown in the figure . The capacitor has a voltage...[Details]
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1. Main functions of PCB circuit board tester
The tester adopts circuit online testing technology, which can be used to test and analyze common faults of various small and medium-scale integra...[Details]
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Pulse Width Modulation is a simple method of modulating or varying a square wave. In its basic form, the duty cycle of a square wave varies with the input signal. The duty cycle is the ratio of t...[Details]
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In industries that are often exposed to flammable and toxic gases, or in areas where toxic and harmful gases exist in septic tank and sewage pipe operations, gas detectors are our preferred gas det...[Details]
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Eaton’s eMobility business unit has introduced a battery disconnect unit (BDU) that, combined with upgraded Breaktor® circuit protection technology, provides circuit protection for electric vehicle...[Details]
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I bought a Jlink for a few dozen yuan online. After using it for a while, the computer always fails to recognize it. The yellow light on the Jlink is off, and reinstalling the driver doesn't work. At...[Details]