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Text: MSP430 can choose to use up to 3 oscillators depending on the model. We can choose the appropriate oscillation frequency according to the needs, and can turn off the oscillator at any time when...[Details]
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Optoelectronics released its 2019 semi-annual performance report. During the reporting period, the company achieved operating income of RMB 181.554 million, an increase of 2.48% over the same period ...[Details]
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We often see different expressions such as ARM7, ARM9, ARM11, and armv6k. And in GCC compilation, we often use -march, -mcpu, etc. What do they mean? Sam himself is not very clear, but he has a vague...[Details]
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Samsung Galaxy Note 10 series smartphones have been officially released recently. Galaxy S10 broke more than a dozen records related to mobile phone displays in previous DisplayMate tests, and the Dy...[Details]
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As a green energy, solar energy will be an energy-saving project vigorously promoted by the country, and low-pressure sodium lamps are the best light sources for energy-saving...[Details]
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Infrared electronic fence alarm has been widely used in various security occasions. It has the advantages of simple structure, low cost and good reliability. According to the needs of families, a s...[Details]
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On January 27, domestic wafer manufacturing company BYD Semiconductor finally passed its initial public offering on the Growth Enterprise Market. As a company that has received investments from ma...[Details]
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The clock system is the core of the processor, so before learning all the peripherals of STM32, it is necessary to study the clock system carefully, which will help you to have a deep understanding o...[Details]
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On January 12, Sina's "2020 Technology Billboard" annual ceremony officially opened today. Due to the epidemic, all activities of this year's Technology Billboard were held online. The the...[Details]
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Case study of new cold storage units from Nidec Embraco and Daikin shows:
Using variable frequency speed regulation can save about 14% of energy
Daikin's LMSEY series of wal...[Details]
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过去LED 业者为了获得充分的白光LED 光束,曾经开发大尺寸LED芯片 试图藉此方式达到预期目标。不过,实际上白光LED的施加电力持续超过1W以上时光束反而会下降,发光效率相对降低20~30%。换句话说,白光LED的亮度如果要比传统LED大数倍,消耗电力特性超越荧光灯的话,就必需克服下列四大课题:抑制温升、确保使用寿命、改善发光效率,以及发光特性均等化。
The solu...[Details]
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Lithium-air batteries (LABs) are one of many avenues for improving current energy storage technologies. These and other metal-air batteries have attracted researchers' attention due to their potentia...[Details]
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The stepper motor is a commonly used type of motor. It is characterized by its precise position control capability compared to other types of motors. It is a motor widely used in the field of autom...[Details]
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On August 15, Baolong Technology announced that its subsidiary Baoyou Technology has recently received a new generation AK2 ultrasonic radar sensor project designation from an independent brand car c...[Details]
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Cheling Technology is headquartered in Hangzhou, with offices in Shanghai and Wuhan. It has more than 400 employees, 90% of whom are R&D personnel. On October 15, 2024, at the 2nd Great Wall Motor ...[Details]