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On July 4, the Hunan Changsha Power Grid's 2019 "630 Attack" summary and 2020 "630 Attack" mobilization meeting revealed that as a key year for the Changsha Power Grid's "Three-Year Action Plan" co...[Details]
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This article takes Schneider's SoMachine as an example to introduce the free communication port settings of PLC programming software based on ICE61163-3 programming standard. This is a common commu...[Details]
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In ATMEL's 89S51 series, 89S51 has the same function as 89C51. Command compatible. HEX programs can be used directly without any conversion. 89S51 only adds a watchdog function than 89C51. For other ...[Details]
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Huawei quietly dropped a depth bomb. On March 16, Ding Jianxin, Minister of Huawei's Intellectual Property Department, officially announced Huawei's 5G rates, stating that Huawei will charge...[Details]
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The baud rate calculation of the STM32 serial port is not a big deal, but ST's StdPeriph and its successor STM32Cube make the baud rate calculation very complicated. The purpose of writing this articl...[Details]
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Just now, Redmi’s official Weibo account officially announced the Redmi 9 Chinese version of the phone, claiming that it “defines the new standard for entry-level phones in 2020.” According...[Details]
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1. Product introduction of Fluke 709H precision loop calibrator: The Fluke 709H mA loop calibrator saves measurement time while producing high-quality results. 709H has HART communication function an...[Details]
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Preface The sampling rate is digital, which refers to the number of samples per second. The bandwidth is analog, which refers to the range of signal frequencies that can be tested. If the sampling ...[Details]
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Fuel cells need to consider the reliability and durability issues under various vehicle operating conditions. From the 1990s to 2005, the international community solved the problem of fuel cells' app...[Details]
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Another highlight of the "Core Power" competition is that the judging panel composed of top investment institutions has also been fully upgraded! As a selection activity focusing on start-up projects...[Details]
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The address space of the MCS-51 microcontroller's external RAM is 64K, and the address bus is 16 bits. The following four instructions can be executed to access the external RAM: MOVX A,@DPTR MOVX @D...[Details]
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The "one-key clear" in the seven one-key operations of the ZDS2022 oscilloscope has different effects in different operation modes. Here we list these effects one by one: In infinite persistence mo...[Details]
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This design mainly studies and designs a multifunctional simple digital signal generator based on ARM (LPC2138) embedded system, which is completed by numerical calculation synthesis and D/A convers...[Details]
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Registration for the 2019 Hackadayprize China competition is now open. We will introduce last year’s winning works from Hackadayprize, hoping to inspire you! The Oasis is an inkjet 3D printer (3DP)...[Details]
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The car instrument is the window for the car to communicate with the driver, and is the center of the car information. It can centrally, intuitively and quickly reflect the various dynamic indicato...[Details]