---
id: gpsmodule
title: External GPS Module
sidebar_label: GPS Module
---

External GPS modules can be installed to extend the capabilities of simple boards.

## GY-GPS6MV2 GPS module
- Based on the ublox/u-blox NEO-6M module
- Input 3 to 5V
- Interface: RS232 TTL
- Default baud rate: 9600 bps
- Outputs NMEA sentences

[<img src="/img/hardware/gy-gps6mv2.jpg" alt="GY-GPS6MV2" style={{zoom:'50%'}} />](/img/hardware/gy-gps6mv2.jpg)


### LILYGO TTGO Lora32 V2.1-1.6

- Wiring instructions:

| GPS Module Pin | TTGO Lora32 V2.1-1.6 Pin |
| :-----: | :---------------: |
| VCC | 3.3V |
| RX | IO13 |
| TX | IO15  |
| GND | GND |

- Once the module is connected, it should be detected automatically by the firmware.

### LILYGO TTGO Lora32 v2.0

- Wiring instructions:

| GPS Module Pin | TTGO Lora32 v2.0 Pin |
| :-----: | :---------------: |
| VCC | 3.3V |
| RX | 13 |
| TX | 36  |
| GND | GND |

- Once the module is connected, it should be detected automatically by the firmware.

### LILYGO TTGO Lora32 v1.3

- Wiring instructions:

| GPS Module Pin | TTGO Lora32 v1.3 Pin|
| :-----: | :---------------: |
| VCC | 3.3V |
| RX | 13 |
| TX | 36  |
| GND | GND |

- Once the module is connected, it should be detected automatically by the firmware.

### LILYGO TTGO Lora32 V1.0

- Wiring instructions:

| GPS Module Pin | TTGO Lora32 V1.0 Pin|
| :-----: | :---------------: |
| VCC | 3.3V |
| RX | 37 |
| TX | 36  |
| GND | GND |

- Once the module is connected, it should be detected automatically by the firmware.

### Heltec Lora32 v2.0 and v2.1

- Wiring instructions:

| GPS Module Pin | Heltec Lora32 Pin|
| :-----: | :---------------: |
| VCC | 3.3V |
| RX | 37 |
| TX | 36  |
| GND | GND |

- Once the module is connected, it should be detected automatically by the firmware.