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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
IvanPad Offline
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04-14-2022, 05:22 PM
(04-14-2022, 12:35 PM)IvanPad Wrote: Hi, do I need to power the A4 with 12V for programming? Arduino IDE doesn't recognize the USB port

I see the USB power is isolated in my board, but it exists in the schema:     

Is that diode rquired to power esp32 for programming?
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RE: Lesson2 - How to use Arduino to control relay ON/OFF - by IvanPad - 04-14-2022, 05:22 PM

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