# How to use Arduino mega as a USB TTL Adapter

> Using any Arduino as a USB to TTL Adapter is very easy. Just need to connect the reset pin with grnd pin to bypass the ATmega chip. The Rx and Tx pins can then be used as a normal USB to TTL Adapter. Below are some…

- Canonical: https://preview.arshadmehmood.com/hardware/use-arduino-mega-as-ttl-adapter/
- Published: 2021-11-01
- Section: Hardware
- Tags: arduino, mega, usb, ttl, adapter
- Author: Arshad Mehmood

Using any Arduino as a USB to TTL Adapter is very easy. Just need to connect the **reset pin** with **grnd** pin to bypass the **ATmega** chip. The **Rx** and **Tx** pins can then be used as a normal *USB to TTL* Adapter. Below are some pictures:

![Arduino Mega with a jumper from reset to ground](/assets/images/posts/ttl1.jpeg)

![Second view of the Arduino Mega TTL wiring](/assets/images/posts/ttl2.jpeg)