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In 2021, Xiaomi, which just took the second place in global smartphone shipments, has surpassed Apple and now seems to be only 2 percentage points behind Samsung, the world's number one. But at prese...[Details]
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1 Comparison of sampling methods
There are generally two methods for data acquisition of three-phase voltage and current 6-channel analog quantities: ① Alternating sampling method of same-phase vo...[Details]
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There have been a few inquiries lately regarding the operation and diagnostics of electronically commutated (EC) fuel pumps and I thought this would be a great topic to share with you.
W...[Details]
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Recently, a third-party certification agency under the China Automotive Research Institute launched the "Smart and Healthy Cockpit" certification for automobiles to protect consumers . The spread ...[Details]
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Modify CMakeLists.txt and add -std=gnu++17 # For more information about build system see # https://docs.espressif.com/projects/esp-idf/en/latest/api-guides/build-system.html # The following five line...[Details]
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Chinese people like the main theme, and so do power batteries. The ternary + square material + packaging route seems to be gaining momentum. Based on the vehicle factory certificate data, " Elec...[Details]
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This paper aims to strengthen the security management of the vault. Aiming at the current management defects of the vault, this paper designs an electronic password lock system for the vault door. ...[Details]
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Shanghai Advanced Micro-Semiconductor Equipment Co., Ltd. (hereinafter referred to as "AMEC") issued an announcement today stating that from July 2, 2020 to November 17, 2020, the company has receive...[Details]
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Radio Mods: Remove the frequency coverage limitation of the old Yaesu FRG-8800 receiver
Paolo Viappiani (SWL I1-11437) shared the following. Please note that as with any radio equipment modifi...[Details]
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Traditional differential pressure flow meters (such as orifice plates, etc.) are all throttling differential pressure flow meters. Their working principles are based on the two laws of conservation...[Details]
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On November 7, according to the Science and Technology Innovation Board Daily, Wingtech Technology launched and demonstrated a vehicle-mounted left and right exterior rearview mirror camera (CMS came...[Details]
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Guan Wei, senior vice president of Lenovo's global supply chain, recently said that Lenovo will launch 5G mobile phones in 2020. Guan Wei said that the current 5G commercial network has not been fu...[Details]
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The watch battery tester described in this article uses a non-contact method to sense the driving pulse of the second hand of an electronic watch. It does not need to open the back cover of the wat...[Details]
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Recently, Wanyin Technology has once again joined hands with Zhongli Tenghui to become the inverter supplier for Zhongli Tenghui's 20MW photovoltaic power generation grid-connected project in Turpa...[Details]
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Linear regulator integrated circuits (ICs) step down voltage from a higher voltage to a lower voltage without the need for an inductor. A low dropout (LDO) linear regulator is a special type of l...[Details]
PCB Design
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