Arduino Mega 2560 with reset tied to ground

Hardware

How to use Arduino mega as a USB TTL Adapter

1 Nov 20211 min readHardware arduino mega usb+2

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

Second view of the Arduino Mega TTL wiring

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