can I do serial communication between arduino NANO and ESP 32?
If yes can you please provide a link as a reference?
Yes you can
As to how to do it, a Google search returns multiple guides including Serial Communication Arduino Nano and ESP32 Using Logic Level Converter - YouTube
I've seen that but I wanted to know if I could do that without the logic shifter.
Cause while interfacing my nano with ESP8266 it doesn't require a logic shifter.
The fact that you run your equipment out of spec, does not mean it is correct, or harmless.
For Serial, a simple voltage divider does the trick, why would you leave that out?
You may get away with it, but the Nano and ESP8266 run at different voltages and you run the risk of damaging the ESP8266. If you are feeling lucky then do the same with the ESP32 and see how you get on
Depending on the baudrate (data speed), an active 'level-shifter' isn't absolutely necessary. A voltage divider (two resistors) can drop the 5V signal to 3V appropriate.
Thanks I'll try this.
oh okay, thanks for the information I'll use either a logic shifter or a voltage divider.
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