Turn Arduino Into USB to TTL Adapter With 1 Wire

by hypery11 in Circuits > Arduino

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Turn Arduino Into USB to TTL Adapter With 1 Wire

ARDUINOUSB to TTL.png
A standard Arduino includes a USB to TTL chip
so we can make it as a adapter

One Thing You Have to Do

ARDUINOUSB to TTL.png
what we have to do is to plug one wire between RESET & GND

easy, dosen't it?

Now, you can use RX (pin 0) and TX (pin1) to communcate~~

How It Works?

ARDUINOUSB to TTL.png
after you plug the wire,
this change the MCU into "Reset Mode"
so now only  FTDI chip work on your arduino board!!