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For LTE base stations, RF test methods and conformance requirements are critical. However, modulation formats, bandwidths, resource allocations and mobility increase the complexity of options, so the ...[Details]
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Machine vision refers to the process of applying computer vision to factory automation. Machine vision uses digital cameras, lighting and image processing software to perform inspections that wer...[Details]
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Although Apple CEO Cook has been questioned by the US antitrust department, he has refused to admit that Apple has monopolistic behavior. Even if the App Store has a 30% "commission", it is considere...[Details]
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Gree Electric announced that the company plans to adjust the use of repurchased shares corresponding to the "Proposal on the Plan to Repurchase Part of the Public Shares" (hereinafter referred to as ...[Details]
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This experiment uses the W5500 development board to control the brightness of the external light strip by sending commands to the development board through the host computer; the main process is as f...[Details]
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Code: #include reg52.h unsigned char a,num; sbit LED1=P1^0; void main() { num=0; EA=1; //Open the general interrupt ET0=1; //Open the timer 0 minute switch TMOD=0X01; //Set to timer 0, mode ...[Details]
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The smartwatch adopts a closed structure design and achieves IP68 level of waterproof and dustproof. Whether you are sweating during exercise or getting caught in the rain, you don’t need to worry ...[Details]
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China Energy Storage Network:
Since the second half of 2021, multiple policy documents at the national level have made clear arrangements for "grid companies acting as agents for power purc...[Details]
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1. ARM Implementation Method ARM Cortex-M3 is the latest ARM embedded core based on ARM7v architecture. It adopts Harvard structure and uses separate instruction and data buses (under von Neumann str...[Details]
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With the foundation of the previous section " Analysis of Exynos4412 Clock System ", in this section we will do some experiments related to the clock. In fact, the IROM code of Exynos 4412 has alread...[Details]
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The United States has issued a comprehensive ban on Huawei, the leading Chinese telecommunications equipment manufacturer, allowing Samsung, a South Korean telecommunications giant ranked behind Huaw...[Details]
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The most difficult thing to understand and control about ARM7 is interrupt control. I write down some information I found.
1. Fast interrupt FIQ
⑴In the main program:
① Assign the interrupt as FI...[Details]
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What is it like to have 1 millisecond torque adjustment capability? Look at the Huawei DriveONE iTRACK equipped with Avita Judging from the current results, Huawei has built its core advantages in ...[Details]
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LED Lamp is mainly composed of five materials: bracket, silver glue, chip, gold wire and epoxy resin.
1. Bracket:
1) The function of the bracket: used for conduction and support
...[Details]
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NXP Semiconductors of the Netherlands has started selling the "TFA9887", a Class D audio amplifier IC for small speakers that can increase output power by five times (English release). The company sa...[Details]
Microcontroller MCU
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