January 11, 2023
This document provides details on the back docking connector on the Nautiz X2. You’ll need this information to build your own accessory or to communicate with the UART port from your app.
PIN assignment
| 1 | GND | 7 | NA |
| 2 | GPIO | 8 | UART2_TX |
| 3 | UART3-TX | 9 | UART2-RX |
| 4 | UART3-RX | 10 | VDD3V3-A |
| 5 | VDD3V3-B | 11 | GND |
| 6 | GPIO5 | 12 | GPIO2 |
Please note that currently only UART3 and VDD3V3-B can be accessed and used by the Android system.
Accessing the UART-port
To access the UART for your device you can use a library that we provide. You can find more information and the library itself here.
