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M5Stack NEO-M8N GPS Module for ESP32 Development Kit

DWM18021804

M5Stack NEO-M8N GPS Module for ESP32 Development Kit with Internal & External Antenna MCX Interface. 

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Description

M5Stack NEO-M8N GPS Module for ESP32 Development Kit with Internal & External Antenna MCX Interface.

GPS is build with NEO-M8N, u-blox M8 concurrent GNSS modules and come with an active Antenna.

The NEO-M8 series provides high sensitivity and minimal acquisition times while maintaining low system power.

The NEO-M8N integrates a 72-channel u-blox M8 GNSS engine that supports multiple GNSS systems ( Beidou, Galileo, GLONASS, GPS / QZSS ) and able to receive 3 GNSS systems simultaneously.

The series communicate protocol between M5Core and GPS is UART, physically connected via UART2 (GPIO16, GPIO17)

If you want to Change the uart baudrate,please check here ( u-center-just-for-Windows )

*Notice: GPS signal can only be found outdoors

Features

Operating voltage: 2.7 ~ 3.6

Operating temperature: -40 ~ 80 °C

Antenna type: built-in ceramic antenna and external antenna

external Antenna port: SMA

Can receive data from 3 GNSS systems concurrently

Horizontal position accuracy: minimum 2.5m

GPS module (NEO-M8N) Built-in Flash, so that you can upgrade firmware via u-center-just-for-Windows

Supported protocols: NMEA, UBX, RTCM

Industry leading -167dBm sensitivity

Backward compatibility with NEO‐7 and NEO‐6 series

Kit includes

1x GPS Module

1x external Antenna(cable length : 1 meter)

Application

GPS-based logistics tracking management

Driverless car positioning

Example

Arduino IDE

To the complete code GPSRaw.ino, please click here.

**Note: The GPS module needs placed outdoors to be able to receive GPS signal **

#include <M5Stack.h>

/* By default, GPS is connected with M5Core through UART2 */

HardwareSerial GPSRaw(2);

void setup() {

  M5.begin();

  GPSRaw.begin(9600);// GPS init

  Serial.println("hello");

  termInit();

}

void loop() {

  // put your main code here, to run repeatedly:

  if(Serial.available()) {

    int ch = Serial.read();

    GPSRaw.write(ch);

  }

  if(GPSRaw.available()) {

    int ch = GPSRaw.read();// read GPS information

    Serial.write(ch);

    termPutchar(ch);

  }

}

After burnt the example code GPSRaw.ino, m5core and PC serial terminal will display following information

Protocol Specification:

Please refer to the  u-blox 8 / u-blox M8 Receiver Description - Manual, The following table is a instruction of xxRMC message in NMEA protocol.

Usefull Link:

Product Details
DWM18021804
200 Items
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M5Stack NEO-M8N GPS Module for ESP32 Development Kit

M5Stack NEO-M8N GPS Module for ESP32 Development Kit with Internal & External Antenna MCX Interface. 

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