Can i connect direct esp32 and an Atmega.
Rx/tx Without levelshifter?
Connect Esp32 gpio (3,3v) with Arduino (5v)
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Re: Connect Esp32 gpio (3,3v) with Arduino (5v)
My experience is: Yes, if you insert a 470 Ohm resistor into the TX and RX lines in series. This limits the currents in conjunction with the input protection diodes
And the Arduino will accept 3v3 as a hight signal.
Frohes Fest!
And the Arduino will accept 3v3 as a hight signal.
Frohes Fest!