i237/doc/arduino-mega-usb-uart-wiring.markdown

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Arduino Mega USB UART converter wiring

Introduction

This wiring schema uses only Tx from Arduino and is suitable to be used as standard error console.

Wiring illustration

arduino-mega-usb-uart-wiring.png

Wiring table

Signal ATMega2560 port and pin Arduino Mega 2560 pin USB UART converter pin
Ground (GND) GND GND GND
Transmit data from Arduino (TxD) PORTJ pin 1 (TXD3) Digital pin 14 (TX3) RxD