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](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) | TxD |