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Polarization mode coupling effect distributed optical fiber temperature sensor
The mode coupling effect type distributed optical fiber temperature sensor utilizes the coupling effect sensing betwee...[Details]
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On the evening of February 25, Guanghong Technology issued an announcement that its wholly-owned subsidiary Hong Kong Guanghong intends to indirectly invest in Bangladesh Guanghong with Huaqin Techno...[Details]
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At the 2019 Hangzhou Yunqi Conference, Intel and Alibaba Cloud signed a strategic cooperation memorandum and announced that they will work closely in the fields of 360 8K VR, 3D digital twins, cloud ...[Details]
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According to foreign media reports, researchers at the Oak Ridge National Laboratory (ORNL) in the United States have developed an innovative control system that can reuse electric vehicle battery pa...[Details]
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Siemens S7-300 is a high-performance, widely used PLC device. Its modular, distributed structure and easy-to-learn operation make Siemens S7-300 a cost-effective solution for small and medium-sized...[Details]
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Binary decoder
I. Binary decoder II. Decoder
CT74LS138
1. Logic diagram.
2. Truth table.
3. Logical function:
4. Full decoder:
5. Functional expansion
6.4.2 Binary-decimal decoder
I....[Details]
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Pin Name Pin Function Description VCC Power supply for digital circuits. GND land. Port B (PB7..PB0) XTAL1/XTAL2/TOSC1/TOSC2 Port B is an 8-bit bidirectional I/O port with programmable internal p...[Details]
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What factors affect the light decay
of white LEDs
?
For traditionally packaged white light LEDs, the fluorescent glue is generally epoxy resin or silicone. The results of light...[Details]
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1. Preparation before measurement (1) Press the on/off button for one second to turn on the device. The test voltage is preset to 500V for continuous insulation resistance measurement. (2) When the b...[Details]
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LED display is a digital flat panel display. This requires it to be able to display text, graphics, animations, images, video programs and other information. The purpose of full-color LED display is t...[Details]
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environment MPLAB IDE version: v8.89 Compiler: XC16 C Compiler 1.20 question When compiling an MPLAB project on different computers, you may encounter compilation warnings as shown in the figure ...[Details]
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According to the demand of piezoelectric ceramic micro-displacement device for driving power supply, a scheme of piezoelectric driving power supply system was designed. The scheme first introduced ...[Details]
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The composition and function of motor control system
The motor control system is composed of multiple components, each of which has a specific function. The following are the common components...[Details]
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Cars are complex vehicles that can have many problems during use. However, if someone asked "Which car faults can be diagnosed by themselves?" 10 years ago, almost no one could answer this questio...[Details]
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The MK9-5/PA8-5 tobacco rolling and connecting unit is one of the earliest tobacco equipment introduced in my country. It is a product of the British company MOLINS in the 1970s. Its electrical s...[Details]
RF/Wirelessly
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