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Using fast PWM mode, the value of OCR1A is set by keystroke to change the duty cycle; When the value exceeds the limit, an alarm is given by LED and LCD. The output can be filtered to obtain a DC s...[Details]
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The enhanced 51 series microcontroller W77E58 is compatible with the standard 8052. It contains four 8-bit I/O ports, three 16-bit counters and a full-duplex serial communication interface. Since t...[Details]
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Before building a substation, power supply companies must control its
construction costs. Since there are many substations, most of the substations we see are small in scale. With the widespread us...[Details]
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Today, Yangtze Memory officially launched the SSD brand "ZHITAI", targeting the 3D NAND flash memory products and solutions market. Fast Technology pointed out that this first SSD product is an SSD...[Details]
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At the end of August, with the successful conclusion of the Cape Town Solar and Battery Energy Storage Exhibition in South Africa and the South American Smart Energy Exhibition, JA Solar's flagship en...[Details]
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1 Main features of USB2.0
Version 2.0 of the USB protocol was released in April 2000. It supports the following three speed modes:
Low speed mode: 1.5Mb/s;
Full speed mode: 12Mb/...[Details]
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On August 28, the Ministry of Commerce and the Ministry of Science and Technology adjusted and released the "Catalogue of Technologies Prohibited and Restricted from Export in China". What is the sig...[Details]
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This article introduces the overall system design of a multifunctional network energy meter based on the AD73360 chip. The FPGA is connected to the AD73360 chip, and the FPGA writes control words t...[Details]
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(April 19, 2021) In order to assist Chinese Android developers to seamlessly connect to the global 64-bit development environment and further provide the best experience to end users, China's five ma...[Details]
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Since the 1990s, GaN materials have been widely used in display, indication, backlight and solid-state lighting, and have formed a huge market. So far, gallium nitride (GaN)-based light-emitting diod...[Details]
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Space-saving circuit isolation solution
Waldenburg (Germany), July 04, 2023 -
Würth Elektronik has further expanded its WL-OCPT optocoupler product line with the addition of a DI...[Details]
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For applications that are not timing sensitive, the external RC oscillator of Figure 20 can be used. The frequency can be roughly estimated using the equation f = 1/(3RC). The capacitor C must be at ...[Details]
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Exceptions are mainly divided into interrupts (such as IO ports, UART, etc.) and system exceptions (such as NMI, SYCTICK, etc.). Pay attention to the difference between interrupts and system exceptio...[Details]
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Function of the circuit
The open-loop characteristics of the OP amplifier are close to those of the integrator, and it is most suitable for the integrati...[Details]
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This Design Idea came about because I couldn't get those new ICs for sensing current. I needed a discrete circuit that was easy to build but still had the same accuracy as the new ICs. This circuit s...[Details]