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The China Association of Automobile Manufacturers predicts that the chip shortage will have a great impact on automobile production in the first quarter of 2021, and is expected to spread to the seco...[Details]
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According to US technology media CNET, Google's sister company Waymo will conduct actual road tests on self-driving semi-trailer trucks in Phoenix, Arizona. Waymo's self-driving taxi service has beco...[Details]
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On the morning of September 29, it was reported that this year's new iPhone may be launched in South Korea earlier than in previous years. The Korea Herald believes that Apple may hope to attra...[Details]
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When using a three-phase AC motor, you need to know the phase sequence of the connected three-phase power supply. If the phase sequence is incorrect, the motor's rotation direction will be opposite...[Details]
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According to Tianyancha information, Huawei Technologies Co., Ltd. disclosed several patent applications yesterday, including a patent titled "A method for displaying a fingerprint prompt pattern, an...[Details]
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As new energy vehicles are too expensive and fuel is affected by traffic restrictions and license plate restrictions, many consumers choose to buy low-speed electric vehicles, which we commonly call ...[Details]
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At present, the reasons that limit the popularization of urban intelligent driving functions are mainly divided into two aspects. First, autonomous driving relies on high-precision maps. In my coun...[Details]
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Light up the LED principle: The LED light of this single chip is a light emitting diode, which can only pass in one direction. In the figure, the cathode of the LED is connected to the IO port, and...[Details]
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Recently, Xiamen Haichen Energy Storage Technology Co., Ltd. (Haichen Energy Storage for short) officially completed the signing of the syndicated loan for Haichen Energy Storage’s Xiamen Lithium B...[Details]
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AT8001 is a high-efficiency driver chip for backlight driving, which allows a wide power supply voltage range: 2.7V to 5.5V, especially suitable for lithium battery powered devices. AT8001 sets the...[Details]
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ARM GNU Assembler Framework .section .data Initialized data .section .bss Uninitialized data .section .text .global _start _start: Assembly code Entry address Assembler Example //star...[Details]
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Multi-channel output DVD power supply circuit with output power of 20W
The design using the TOP245P in Figure 1 is well suited for DVD and set-top box applications. The P...[Details]
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When you get a transistor, the first thing to do is to measure the transistor so as to distinguish the two-stage position of the transistor. The most commonly used method for measuring transistors ...[Details]
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In the previous article, the PWM drive method of the brushed DC motor was introduced using constant current drive as an example. This article will introduce the PWM drive of the brushed DC motor in...[Details]
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1. Experimental purpose: Through this experiment, learn the interrupt processing process of Windows CE6.0 and become familiar with the programming of running interrupts in the driver.
2. M...[Details]