meshtastic/docs/hardware/gpsmodule.md

id	title	sidebar_label
gpsmodule	External GPS Module	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%'}} />

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.