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As we all know, one of the advantages of LED is its high photoelectric conversion efficiency, which is much higher than traditional light sources. However, due to the limitations of current technolog...[Details]
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This article combines the latest domestic and international standards on LED testing methods, and introduces the electrical characteristics, optical characteristics, switching characteristics, colo...[Details]
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On September 5, the Housing and Urban-Rural Development Bureau of Qingdao held an on-site observation meeting on the construction of electric bicycle charging facilities in the West Coast New Area and...[Details]
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Since the switching power supply is a comprehensive system combining linearity and nonlinearity, it brings a lot of inconvenience to the dynamic research and design of the system. This paper m...[Details]
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The microcontroller source program is as follows: //Press the F key on the 4X4 keyboard to enter the setting state //ED key is the forward and backward movement key //C button is to adjust the value...[Details]
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1. Serial port abnormality after waking up from sleep mode STM8L is mainly used for low-power products. Here, there are differences before sleep and after wake-up. When debugging, if you use the seri...[Details]
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Summary:
A withstand voltage tester is an instrument for testing the withstand voltage capability. The objects to be tested can be various electrical devices, insulating materials and insulating ...[Details]
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High-voltage, multi-cell battery packs are used in electric vehicles, hybrid vehicles, electric bicycles, power tools and other equipment. Lithium-ion batteries are widely used due to their high en...[Details]
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China attaches great importance to the development of the smart sensor industry. The Ministry of Industry and Information Technology has compiled the "Three-Year Action Guide for the Smart Sensor Ind...[Details]
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The concentration of the power lithium battery market has increased, and giant companies are sharing the dividends. In 2016, the power lithium battery shipments of the top two domestic companies ac...[Details]
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The unannounced OnePlus Nord CE 2 Lite 5G has now appeared on Amazon India, and some details have been exposed: including a 5000mAh battery and 33W SuperVOOC fast charging, as well as a specia...[Details]
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Recently, two automotive
powertrain
projects in Shandong and Hefei have received new developments:
○ Weichai Power: Yantai
New
Energy The main structure of the powertrain...[Details]
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1. Before measurement, the power supply of the device under test should be cut off. For devices with large capacitance, ground discharge should be performed to eliminate the residual charge of the ...[Details]
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IoT (Internet of Things) devices used in homes, cars, mobile communication devices, and payment systems are beginning to become popular in the healthcare and industrial fields. These billions of conn...[Details]
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As the profit of solar panels has been very low, people began to look at the balance of system (BOS) cost. As this situation became more and more serious, Cooper Industries launched integrated sola...[Details]
Microcontroller MCU
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