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Mechanical keys will shake when pressed, as shown in the figure below. This will cause multiple interruptions in the process of pressing a key, resulting in incorrect judgment. In the key driver, w...[Details]
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Shangzhi Semiconductor announced that due to the poor industry market conditions affecting its subsidiary Green Energy Technology, the company suffered an asset impairment loss of NT$2.193 billion (t...[Details]
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"Economic Half Hour" 20240911 Building a high-level socialist market economic system: Power reform is accelerating. Conch Vanadium Liquid Flow Energy Storage Power Station helps the Yangtze River Delt...[Details]
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The Xiaomi 12 series may be the most special generation of Xiaomi's digital series. Today, the former Civi product manager Wei Siqi @Cici_老魏 announced that he will be rotated to be responsib...[Details]
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This high power audio amplifier circuit consists of a differential amplifier as the first stage amplifier. Potentiometer VR1 is used to adjust the offset voltage of the amplifier before entering th...[Details]
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The article mainly introduces an Ethernet interface circuit design scheme based on the Samsung ARM9 chip S3C2440 embedded system, and uses the industrial-grade Ethernet controller DM9000AEP to succes...[Details]
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In order to avoid the input signals of the synchronous RS flip-flop being 1 at the same time, a "not gate" can be connected between S and R, and the signal is only input from the S terminal, and t...[Details]
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"If there's a storm, I don't want to be stuck on the highway." Storms are a common occurrence in Florida, so many people have similar concerns.
Last year, after freak weather c...[Details]
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Today, Lenovo Mobile officially announced that Lenovo Z6 Pro 5G will start pre-sale on November 28, supporting 5G full network access, and the 8GB+256GB version will be priced at only 3,299 yuan. ...[Details]
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(Image source: LightGuard Systems official website) LightGuard Systems, a manufacturer, distributor and technology leader in pedestrian/driver warning traffic control systems, has announced the lau...[Details]
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A stepper motor is an actuator that converts electrical pulses into angular displacement. When the stepper driver receives a pulse signal, it drives the stepper motor to rotate a fixed angle (calle...[Details]
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4-wire stepper motor split column circuit schematic diagram
4-wire stepper motor split column circuit schematic diagram
For more details, please see: Using AT90S8515 to control a 4-wire two-ph...[Details]
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FB21 Intelligent Cable Fault Tester Overview System Features: Portable host, win8 system, capacitive touch screen, excellent user experience. Equipped with integrated cable fault testing software...[Details]
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When buying a car, many car owners often hear that this car or that car is equipped with engine start technology, but because they have just bought the car, they don’t know what engine start-stop t...[Details]
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The single-to-double power supply conversion circuit principle provided by Electronics Enthusiasts . The figure shows the calculation of the output voltage ratio and precautions. Resistors and other ...[Details]