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1. Lock the knob and dial within the minimum and maximum range.
By default, knobs and dials cannot be rotated beyond the minimum and maximum range. If you need to disable the locking feature,...[Details]
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MediaTek launched the Dimensity 820 5G processor, the Redmi 10X smartphone was confirmed to be the first to be launched, and there will also be new Redmi smart TVs at this conference. Redmi General M...[Details]
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1. Basic GPIO configuration. Note that because the ordinary IO port is needed as the interrupt input port, the IO port multiplexing function is used. Therefore, the RCC_APB2Periph_AFIO clock must be ...[Details]
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The photovoltaic (PV) industry has grown rapidly over the past few years, driven primarily by high oil prices and environmental concerns. However, PV costs remain the biggest barrier to further exp...[Details]
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There are three ways to ground the neutral point of a transformer: 1) no grounding; 2) direct grounding; 3) grounding via a reactor. If we divide it into more specific categories, direct grounding ...[Details]
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The automatic dimming desk lamp introduced in this article can automatically adjust the light output of the desk lamp according to the intensity of the surrounding illumination. When the ambient il...[Details]
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Recently, there have been reports that the Xiaomi 12 series new product launch conference is scheduled to be held on December 16 (Thursday), when it will be officially launched with Qualcomm's ...[Details]
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The characteristic of this circuit is that it uses solar energy to charge the battery to form an uninterrupted DC voltage output. The circuit consists of a constant current charger (IC1), an o...[Details]
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Abstract: This paper analyzes the many factors that affect the performance of VRLA batteries during operation, compares the technologies of manual battery detection and online monitoring, and propo...[Details]
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Uninterruptible
Power Supply
UPS Development History
The first generation of uninterruptible power supply UPS produced by Merlin Gerin MGE UPS SYSTEMS on a mass production line was the...[Details]
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1 stepper motor
The stepper motor is a purely digitally controlled motor. It converts the electrical pulse signal into an angular displacement. That is, given a pulse, the stepper motor rotates by ...[Details]
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In fact, the IROM code of Exynos 4412 has already set the PLL. We can print out the PLL register values set by IROM through the serial port. These values are printed out like this (excerpted from...[Details]
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According to foreign media reports, the Volkswagen Group, which is vigorously promoting electric transformation, is also developing hydrogen fuel cell vehicle models. At present, the relevant patent ...[Details]
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In 1980, Intel withdrew the MCS-51 microcontroller. Now it has expanded to include IO ports, AD converters, PWM, WDT (watchdog), IIC, etc. MCS-51 has been discontinued.
Compatible with MCS-51 are
At...[Details]
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1 Yes, it can be used. To understand it, you need to look at the timing diagram of HT6221. 2 3 C51 infrared decoding program, you can modify it as needed: 4 /////////////////////////////////////...[Details]
RF/Wirelessly
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