In IEC61000-4-5, only LN, LPE, and N-PE have requirements, but not LN-PE. Why is this? Doesn't the instantaneous voltage or current induced by lightning or switching flow through all conductors?
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[i=s]This post was last edited by ddllxxrr on 2020-10-6 19:26[/i]I have a 1.3-inch SPI screen. If there is a routine, I put the OLED.c and font library in the routine as a subdirectory. All of them ar
[i=s]This post was last edited by a student of media at 2019-5-12 16:54[/i] [align=center][md]#[color=#9932cc]【RT-Thread Reading Notes】RT-Thread Reading Notes Overall Summary[/color]#[/md][/align] [md
After Huawei suffered the second round of sanctions from the United States, its self-developed chip supply chain was directly cut off. TSMC has confirmed that it will no longer supply chips to Huawei