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One-button adjustable voltage regulated power supply circuit
To get the corresponding voltage value, the values of R1...R6 need to be debugged. The values shown in the figure are for ref...[Details]
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There are usually two ways to detect whether the ordinary zinc-manganese dry battery has sufficient power. The first method is to estimate the internal resistance of the battery by measuring the insta...[Details]
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The 9V battery is mainly used to meet the requirements of calibration range and measurement accuracy. Because: the resistance range of the digital meter generally has at least 2M range. Take the popu...[Details]
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Main points • Qualcomm Technologies and Xiaomi successfully verified meter-level positioning in Germany using Xiaomi 12T Pro equipped with the first-generation Snapdragon® 8+ mobile platform. • X...[Details]
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With the development of anti-counterfeiting technology today, it has become a considerable and rapidly growing industry, with countless specific methods, technologies and products. The current main...[Details]
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The system clock selection is performed at startup. At reset, the internal 8MHz RC oscillator is selected as the default CPU clock.
Select an external 4~16MHz clock with failure monitoring; when the ...[Details]
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On August 29, Western Time in the United States, at the Hot Chips Conference, the global chip industry’s annual event held at Stanford University, Xizhi Technology, a global leader in optoelectronic ...[Details]
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What is a trigger? Triggering refers to setting certain trigger conditions according to requirements. When a certain segment of the waveform meets this condition, the oscilloscope instantly captures...[Details]
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"This year, the average per-acre yield of crabs in our district's fishery science and technology demonstration base is about 350 kilograms, which is more than 20% higher than the district's average...[Details]
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1. Experimental task
: Display "★", "●" and heart-shaped images on the 8X8 dot matrix LED. Use the buttons to select the image to be displayed.
2. Circuit diagram
Figure 4.26.1
3. Ha...[Details]
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Volkswagen Group announced on June 13 that it plans to invest 900 million euros in joint battery research and development with Northvolt. Part of the funds will be used to establish a joint venture, ...[Details]
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In the first half of January 2021, the main focuses of global semiconductor-related compliance information include: China's Ministry of Commerce issued the "Measures to Block the Improper Extraterrit...[Details]
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1. What is an interrupt? 1. The invention of interrupts is used to solve the need for macroscopic parallelism. Macroscopic means looking at the whole, and parallelism means that multiple things are c...[Details]
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Program requirements: Through the timer interrupt configuration, interrupt once every 500ms, and then control the LED in the interrupt service function to achieve LED1 state inversion Here are the ...[Details]
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1. Causes and consequences of missed detection and misjudgment Penetrant testing mainly consists of 9 major links: pre-cleaning, drying, penetration, pre-water washing, emulsification, water washing,...[Details]
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