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If you want to repair a relatively unfamiliar circuit board without any schematic diagram, the so-called "experience" in the past will be of little use. Although people with a solid hardware foundatio...[Details]
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Pointer-type mechanical multimeter, from the perspective of its structure, the meter head is a highly sensitive magnetoelectric microampere DC current meter head. The commonly used magnetoelectric mi...[Details]
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TE Connectivity's DT-XT Sealed Connector System for Demanding Commercial Automotive Applications Now Available at Mouser
October 25, 2021 – Mouser Electronics, an authorized global d...[Details]
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Recently, the 220 kV Guanyintang substation invested and constructed by Chongqing Liangjiang Changxing Electric Power Co., Ltd. (hereinafter referred to as Changxing Electric Power) was successfull...[Details]
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Abstract: When using a digital oscilloscope to measure waveform parameters, we often encounter inconsistent results between "cursor measurement" and "automatic measurement". Which one is more accur...[Details]
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Most LED power supply circuits are composed of a switching power supply circuit + a feedback circuit. The feedback circuit samples the load and adjusts the duty cycle or frequency of the switchin...[Details]
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The original English version of this article, "ARM Linux Kernel Boot Requirements", was written by Russell King, the maintainer of the ARM Linux kernel. Here I will simply translate it into Chinese fo...[Details]
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IT Home reported on March 15 that the entire Xiaomi 10 series released in February this year is equipped with Snapdragon 865 processor + LPDDR5. Xiaomi once claimed that Snapdragon 865 + LPDDR5...[Details]
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Each GPIO port has two 32-bit configuration registers (GPIOx_CRL, GPIOx_CRH) to control the high and low eight bits of each port respectively. If the IO port is 0-7, write the CRL register, if the IO...[Details]
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1 Introduction to HFC Network Monitoring System
With the continuous development of the three-network integration business, the security and stability of the HFC monitoring network, the prevent...[Details]
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For most single-chip microcomputer systems, due to the high speed of single-chip microcomputers, single-chip microcomputers have a lot of idle waiting time during operation. In some cases, the wait...[Details]
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SEMI (Semiconductor Equipment and Materials International) and TechSearch International today (29) jointly released the Global Semiconductor Packaging Materials Outlook report, predicting that the gl...[Details]
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Check whether the high-voltage circuit is normal. If the low-voltage circuit is normal but charging still cannot be completed, check the high-voltage circuits between the charging cable, slow-charg...[Details]
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Shanghai, China, August 9, 2021 - ViewSonic announced the launch of the R3, a 1080p Full HD smart portable LED projector. The ultra-light and portable new R3 has a color gamut coverage of more than...[Details]
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On October 30, Samsung is currently expanding the proportion of Qualcomm Snapdragon chips used in its Galaxy flagship phones, while its own Exynos chips mainly cover mid-to-low-end and home applian...[Details]
Power technology
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