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The zinc oxide lightning arrester tester is a special instrument used to detect the electrical performance of zinc oxide lightning arresters. The instrument is suitable for energized or power-off det...[Details]
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SGS-THOMSON has launched three single-chip Class D amplifier ICs, namely TDA7480 (10W), TDA7481C (18W) and TDA7482 (25W). This article takes the TDA7482 with the largest output power as an example....[Details]
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Capacitors, usually referred to as their ability to hold charge, are equivalent to open circuits in DC circuits. Capacitors are components that can store charge and are also one of the commonly used ...[Details]
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On February 25, Jingchen Co., Ltd. released its 2020 performance report. The company achieved total operating revenue of approximately 2.738 billion yuan, a year-on-year increase of 16.14%; net profi...[Details]
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Earlier, foreign media reported that a senior Indian official said that the Indian government will ban China from providing telecommunications equipment to any state-owned telecom operator, and may a...[Details]
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Metal detector is a kind of production equipment used to detect metal impurity fragments in industrial materials. The simplest metal detector consists of two parts, namely the mechanical conveying par...[Details]
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Application Overview Electromagnetic flowmeters are widely used. Large-caliber instruments are mostly used in water supply and drainage projects. Small and medium-caliber instruments are often used f...[Details]
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Study notes for "Teacher Zhu's Internet of Things Lecture" Study address: www.zhulaoshi.org The bin program to be burned is larger than 16kb. bl1 16kb, The part after 16kb is bl2. Copy bl2 from sd ...[Details]
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Voice chips play a very important role in the application of takeaway printers. Takeaway printers are used to print takeaway order receipts in a regular manner to solve the trouble of handwriting, ...[Details]
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For computer systems, a boot process is required from powering on the computer to starting the operating system. Embedded Linux also requires a boot process, and the boot program is called Bootloade...[Details]
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Importance of Motors
Motors consume more than 65% of all power generated in automation systems. Motor output capabilities range from a few milliwatts to thousands of kilowatts. Because motors ...[Details]
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Recently, the US Patent and Trademark Office granted Apple a patent titled "Device, method, and user interface for a wearable electronic ring computing device." In the patent, Apple describes a smart...[Details]
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LEDs
are current-
driven
devices whose
brightness
is proportional to the forward current. Many
portable
electronic products require backlight
LED driver
...[Details]
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Variable Voltage Supply Design
In this example application, the
DS1
809 is used to control the voltage output of an LP2951 voltage regulator. The intent is to create a variable power supply th...[Details]
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On November 14, Qualcomm announced the launch of two connectivity modules, QCC74xM and QCC730M, for IoT applications such as smart homes and smart appliances. These two modules are now available fo...[Details]
PCB Design
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