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Lesson2 - How to use Arduino to control relay ON/OFF

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Lesson2 - How to use Arduino to control relay ON/OFF
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#4
11-11-2021, 12:05 AM
in other demo source code, just when use relay output and input detect, all need use by PCF8574 IIC way to repalce with GPIO.
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RE: Lesson2 - How to use Arduino to control relay ON/OFF - by admin - 11-11-2021, 12:05 AM

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