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On November 30, it was reported that Huawei is still developing new Hongmeng smartphones, which is certain. According to Weibo blogger @WHYLAB, Huawei has a new 4G phone that has passed the nationa...[Details]
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Inductor - Inductor classification: SMD inductor, color ring inductor, choke inductor, common mode inductor
Inductor is a thing with a long history. People knew a long time ago that a wire pas...[Details]
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Now let's analyze the probe method of DM9000 driver step by step. See the comments added in the code for the specific process. /* * Search DM9000 board, allocate space and register it */ static...[Details]
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The SIM card should be very familiar to everyone. Without it, even the smartest mobile phone is just an "information island" and cannot communicate with external devices. With the advancement of the ...[Details]
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All instruments that generate test signals are collectively referred to as signal sources. The oscillating circuit of a signal generator is also called a signal generator, which is used to generate ...[Details]
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Motor variable frequency starting and soft starting are two different starting methods. They have obvious differences in the control method, starting performance, energy consumption, etc. of the mo...[Details]
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Since the day the car was created, the desire for autonomous driving capabilities has become the direction of attack for generations of engineers. The emergence of Adaptive Cruise Control ( ACC ) has...[Details]
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1. Connect Jlink PC ok2440 2. Power on ok2440 3. Open J-link ARM v4.08k in the Jlink program (you can see the model of Jlink and various parameters of CPU) and open DNW. Press any key to prevent the ...[Details]
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Flat Panel Display (FPD)
Flat Panel Display (FPD)
FPD (Flat Panel Display), as the name suggests, is a TV with a flat screen. It is a type of TV compared to the bulky traditional cathode ray tu...[Details]
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As the cost of producing LEDs decreases, their use in a variety of applications, including handheld devices, automotive, and architectural lighting, is increasing. Their high reliability (lifetime o...[Details]
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In recent days, Beijing has entered the quick-freeze mode, with the lowest temperature dropping below -10℃. The load of Beijing's power grid continues to rise, exceeding 20 million kilowatts for tw...[Details]
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Foreign media Svetapple.sk reported that the aluminum chassis of some iPhone 12 models have lost color, including photos of a PRODUCT (RED) iPhone 12 model, which has obvious color bleeding. ...[Details]
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Solar energy is a clean and efficient renewable energy source. During the sunny day, photovoltaic cells on the roof convert solar energy into electrical energy for people to use at night. Experts pre...[Details]
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All town people's governments (sub-district offices), and all relevant units directly under the municipal government:
The "Dongguan New Energy Industry Development Action Plan (2022-2025)" has...[Details]
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A design method of nondestructive testing system for steel wire rope based on nRF24L01 is proposed. The system is used to perform nondestructive testing on online steel wire rope. The test results are...[Details]