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With the advent of high-brightness blue LEDs, white LEDs can be easily obtained by combining phosphors with blue LEDs. Currently, white LEDs have become the main backlight source for portable inf...[Details]
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On January 22, Honor released its first new product, Honor V40, after its independence. It is reported that the V40 adopts a geometric porthole design, a 1 billion color retina-level super-sensitiv...[Details]
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Today, Samsung Semiconductor launched three new automotive chip solutions: Exynos Auto T5123 for in-vehicle 5G connectivity, Exynos Auto V7 with ASIL-B safety level for smart cockpit systems and its ...[Details]
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OPPO announced that the Find X7 series will be the first to shoot Android full-focus 4K Dolby Vision HDR video, providing an innovative video shooting experience across generations. Dolby Vision is a...[Details]
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1. Analysis of dv/dt characteristics during operation
(1) Waveform edge superposition characteristics
Driver IGBT control methods, especially inverter type, include V/f control without PG...[Details]
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0 Introduction
The development of power supply has gone through the development process of phase-controlled power supply, linear power supply, and switching power supply, and is now de...[Details]
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OLED display technology is a type of OEL display technology. It has developed rapidly in the past decade and has achieved great success. More and more display manufacturers around the world have in...[Details]
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Since the advent of low-power UPS, transformer-less UPS design has experienced more than 20 years of development. Today, most UPS below 30kVA are transformer-less, which means that UPS does not nec...[Details]
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It was previously revealed that Qualcomm SM8450 will no longer be called Snapdragon 898, but will be named Snapdragon 8 gen1, and MediaTek has renamed the "Dimensity 2000" chip and officially r...[Details]
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How to control the speed of the motor
Controlling the speed of a DC motor can usually be achieved by controlling the input voltage to the motor or changing the mechanical load of the motor.
...[Details]
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Soft
robotic
grippers
can greatly improve productivity in many fields, however, existing designs are too complex and expensive. A foreign research team has developed ROSE, a novel emb...[Details]
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Most of the current electronic ballasts are fixed-frequency open-loop controlled. When connected to a fluorescent lamp for steady-state operation, the fluorescent lamp is equivalent to a pure resisto...[Details]
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In recent years, Hebei Geological and Mineral Group has actively promoted ecological restoration and new energy project construction, continuously made new efforts, pursued green development, and real...[Details]
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According to Jiwei.com, Wall Street had a bad start to the fourth quarter on October 1st. The U.S. Manufacturing Purchasing Managers' Index for September released by the Institute for Supply Manageme...[Details]
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Do you have a limited renovation budget? This doesn't mean you have to give up your dream of having your own smart home control system. You just need to make some changes in your original plan. You do...[Details]