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Principle and circuit anatomy of shaver charger:
When XP is plugged into AC 220V, LED VD2 displays charging indication. Charging circuit is formed by rectifier diode VD3, resistor R2, diode VD1, res...[Details]
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As a midstream enterprise in the new energy vehicle industry chain, CATL is enjoying dividends from the downstream. Last night, CATL released its 2020 report card. According to the financial r...[Details]
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0 Introduction
Liquid crystal display (LCD) is a thin flat display device, which consists of a certain number of color or monochrome pixels arranged in front of a light source or refl...[Details]
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In 2023, global shipments of Bluetooth devices reached 5 billion units, and are expected to reach 7.5 billion units by 2028, with a five-year compound annual growth rate of 8%. The Bluetooth Techno...[Details]
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Qorvo GAN power amplifiers combined with MAXLIN linearization technology reduce radio power, weight and size Beijing, China – June 30, 2022 – MaxLinear Inc. and Qorvo today announced a joint soluti...[Details]
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In recent years, with the continuous improvement of the degree of social informatization, the amount of information exchange has exploded, and people are no longer limited to the pursuit of wireless ...[Details]
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Error driver source file:
Wrong driver loaded
1 root@EasyARM-iMX257 /mnt/nfs/module/37_debug_err_led# echo 1 /dev/errdule/37_debug_err_led# echo 1 /dev/err...[Details]
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According to foreign media reports, German Rutronik announced the launch of the KEMET R41B film capacitor series, which has a rated voltage of 350VAC and a rated DC voltage of up to 1500VDC. In an ...[Details]
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In 2022, power battery companies expanded production rapidly, and orders for lithium battery equipment poured in.
According to incomplete statistics from Gaogong Lithium Battery, t...[Details]
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After the embedded hardware system is designed, it needs to be debugged. Whether it is hardware debugging, software debugging or program solidification, debugging simulation tools are required.
...[Details]
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The basic instruction syntax of EMC is actually only 57/58. How to change it depends on your practice. However, it is easy for novices to fall into some misunderstandings, and some skills of veterans ...[Details]
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A small product that realizes the following functions: In the interval between two stampings, the stamped parts must be discharged through the stamping monitoring light curtain. If there is no disc...[Details]
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With the iteration of technology and the rise of market demand, smart glasses, as a new type of smart wearable device, can install various applications through an independent operating system, and ...[Details]
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1. Screen size design When designing the screen size, there are three important factors:
(1) the need for display content;
(2) the site space conditions;
(3) the screen unit template ...[Details]
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1. Download uboot.bin to the development board through the U disk. The U disk must be burned into the U disk with a quick burning tool in the Feiling CD in advance, but this file cannot be seen aft...[Details]
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