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(Photo source: Freudenberg official website) According to foreign media reports, Freudenberg Sealing Technologies is developing a new generation of conductive sealing materials to ensure a long-...[Details]
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#include "stm32f10x_lib.h" System clock initialization function === ... void RCC_Configuration(void) { /* Define enumeration type variable HSEStartUpStatus */ ErrorStatus HSEStartUpSta...[Details]
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The MAX97003 audio subsystem combines a mono speaker amplifier with a stereo headphone amplifier. The headphone and speaker amplifiers have independent volume and on/off controls. The four inputs can...[Details]
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The chip structure of blue/white light LED based on GaN strongly depends on the substrate material used. Currently, most manufacturers use sapphire as the substrate material, and the chip structu...[Details]
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Nowadays, wireless charging is no longer a new technology for us. After all, it has been used in the field of consumer electronics for many, many years, and its charging speed is also quite fast. Tak...[Details]
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Targeting small power supply applications, Power Integrations launches new non-isolated flyback switch IC with best-in-class efficiency and light load performance LinkSwitch-XT2SR multi-output, o...[Details]
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Regular inspection
Check the terminal voltage and internal resistance of each unit battery regularly. For 12V unit batteries, if the terminal voltage difference between each unit battery i...[Details]
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According to the principle of adaptive filtering, the paper mainly discusses and analyzes the easy-to-implement minimum mean square error algorithm. By comparing the advantages and disadvantages of...[Details]
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At present, the light output efficiency of LED is generally low, which is caused by many reasons such as the absorption of light by the lattice, the absorption of light by the substrate, and the re...[Details]
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In today's world, major energy sources such as oil, coal, and natural gas are facing the risk of resource depletion. At the same time, environmental pressure is also increasing. Therefore, environm...[Details]
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Wedbush analyst Dan Ives said Apple is expected to sell a record 240 million to 250 million iPhones in fiscal 2021, surpassing the record of 231 million set in fiscal 2015. “While Wall Street forec...[Details]
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iQOO Mobile announced that the iQOO Z5 Dream Space new color phone will be officially on sale at 10:00 on October 11. Officials said that the 12 vertical lines on the iQOO Z5 dream space create 13 ...[Details]
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The three major A-share indexes maintained a volatile consolidation trend throughout the day and finally closed in the red. The two markets had a total turnover of 881.1 billion yuan. The industry se...[Details]
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Working principle of TRIAC dimmer (forward phase control dimmer)
• The RC circuit connecting R1, R2 and C1 delays the start of the TRIAC dimmer until the voltage of C1
rises to the tri...[Details]
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Zhiyong current probes are compatible with all brands of oscilloscopes on the market. In order to measure the current accurately and conveniently, the parameters of the oscilloscope need to be set. T...[Details]
Mobile and portable
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