# 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) | RxD |