Linking UNO and ESP8266

[booniiie]

@Gunner

Something to note though, is that you should use a voltage level shifter module between them as the UNO sends out 5v on i’ts TX pin… but the ESP only wants to see 3.3v on it’s RX pin.

Can i just output the 3.3V from uno to mcu instead of using the voltage level shifter?