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On April 16, Bloomberg reported that Apple has begun extensive internal testing of several new Mac models equipped with the next-generation M2 chip, a new move by Apple to push for more powerful comp...[Details]
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Although early USB 3.0 products have hit the market, the mass conversion to SuperSpeed USB has not yet begun. Part of the problem is that USB 2.0 is already very popular and very cheap to produce. ...[Details]
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There are two methods for sorting LEDs: one is chip-based test sorting, and the other is test sorting of packaged LEDs.
(1) Chip testing and sorting
LED chip sorting is very d...[Details]
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This article continues the analysis of "Analysis and summary of several popular and mature infrared decoding programs 1": http://www.51hei.com/mcu/3320.html
Next, let's talk about the second method ...[Details]
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A new leak suggests that the upcoming Xiaomi Mi 12 Ultra flagship phone may feature a Sony image sensor and may ditch the Samsung sensor found on the Xiaomi Mi 11 Ultra. According to informat...[Details]
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Recently, the second expert group seminar of the standard "Requirements and Test Methods for Mobile Robot Elevator Suitability" was successfully held. As a leading company in the robotics industry...[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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On February 29, news broke that "Hesai Technology's lidar did not handle leap year timestamps, resulting in a firmware bug. As a result, all cars using Hesai's lidar have no autonomous driving functi...[Details]
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The first step in any power supply design is to select components. A good power supply design is inseparable from power components and control chips. Considering all the options, choosing the righ...[Details]
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This is the current waveform of the transistor captured at startup. As you can see, at the moment of startup, the current through the transistor is very large. After the light turns on, the current...[Details]
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On December 7, after TSMC and Samsung began to invest tens of billions of dollars to build new wafer fabs in the United States, memory chip giant SK Hynix also seemed to be considering whether to bui...[Details]
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On December 31, Lanqi Technology Co., Ltd. (stock code: 688008) held the fourth extraordinary general meeting of shareholders in 2021, and reviewed and voted on the "Proposal on the Estimated Amount ...[Details]
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Press K1 to make the water flow from left to right, press K2 to make the water flow from right to left, press K3 to pause the water flow, and press K4 to continue the water flow. Note: This code has ...[Details]
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Introduction
Capacitive sensors have the advantages of simple structure, high sensitivity, fast dynamic response, and easy non-contact measurement. Although they are easily affected by external ...[Details]
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TFT-LCD liquid crystal panels are mainly composed of two pieces of sodium-free glass sandwiching a layer consisting of a polarizing plate, a liquid crystal layer and a color filter. The polarizing ...[Details]
Test/Measurement
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