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Rn7302 three-phase electric quantity detection (based on STM32 single chip microcomputer)
2022-06-28 06:24:00 【The king's Lamb】
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Read voltage data
The second digit is converted to decimal d5( Hexadecimal ) = 213( Decimal system )
The main control chip sometimes does not work
Use AC-DC The power supply supplies power to the chip , Chips sometimes don't work , Direct use of DC power supply ３.３V Power supply , The chip works Final control panel GND Connected to metal shell through diode , Use AC-DC The power supply supplies power to the chip , The chip works properly .
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