This guide shows how to use the NEO-6M GPS module with the Arduino to get GPS data. GPS stands for Global Positioning System and can be used to determine position, time, and speed if you’re travelling.
You’ll learn how to:
- Wire the NEO-6M GPS module to the Arduino UNO
- Get raw GPS data
- Parse raw data to obtain selected and readable GPS information
- Get location
Introducing the NEO-6M GPS Module
The NEO-6M GPS module is shown in the figure below. It comes with an external antenna, and does’t come with header pins. So, you’ll need to get and solder some.
- This module has an external antenna and built-in EEPROM.
- Interface: RS232 TTL
- Power supply: 3V to 5V
- Default baudrate: 9600 bps
- Works with standard NMEA sentences
The NEO-6M GPS module is also compatible with other microcontroller boards. To learn how to use the NEO-6M GPS module with the Raspberry Pi, you can read: Email Alert System on Location Change with Raspberry Pi and GPS Module.
Where to buy?
You can get the NEO-6M GPS module for a price between $5 to $20. We recommend checking the NEO-6M GPS module page on Maker Advisor to compare the price in different stores and find the best one.
Pin Wiring
The NEO-6M GPS module has four pins: VCC, RX, TX, and GND. The module communicates with the Arduino via serial communication using the TX and RX pins, so the wiring couldn’t be simpler:
| NEO-6M GPS Module | Wiring to Arduino UNO |
| VCC | 5V |
| RX | TX pin defined in the software serial |
| TX | RX pin defined in the software serial |
| GND | GND |
Getting GPS Raw Data
To get raw GPS data you just need to start a serial communication with the GPS module using Software Serial. Continue reading to see how to do that.
Parts Required
For testing this example you’ll need the following parts:
You can use the preceding links or go directly to MakerAdvisor.com/tools to find all the parts for your projects at the best price!
Schematics
Wire the NEO-6M GPS module to your Arduino by following the schematic below.
- The module GND pin is connected to Arduino GND pin
- The module RX pin is connected to Arduino pin 3
- The module TX pin is connected to Arduino pin 4
- The module VCC pin is connected to Arduino 5V pin
Code
Copy the following code to your Arduino IDE and upload it to your Arduino board.
/*
* Rui Santos
* Complete Project Details https://randomnerdtutorials.com
*/
#include <SoftwareSerial.h>
// The serial connection to the GPS module
SoftwareSerial ss(4, 3);
void setup(){
Serial.begin(9600);
ss.begin(9600);
}
void loop(){
while (ss.available() > 0){
// get the byte data from the GPS
byte gpsData = ss.read();
Serial.write(gpsData);
}
}
This sketch assumes you are using pin 4 and pin 3 as RX and TX serial pins to establish serial communication with the GPS module. If you’re using other pins you should edit that on the following line:
SoftwareSerial ss(4, 3);Also, if your module uses a different default baud rate than 9600 bps, you should modify the code on the following line:
ss.begin(9600);This sketch listen to the GPS serial port, and when data is received from the module, it is sent to the serial monitor.
while (ss.available() > 0){
// get the byte data from the GPS
byte gpsData = ss.read();
Serial.write(gpsData);
}Open the Serial Monitor at a baud rate of 9600.
You should get a bunch of information in the GPS standard language, NMEA. Each line you get int the serial monitor is an NMEA sentence.
NMEA stands for National Marine Electronics Association, and in the world of GPS, it is a standard data format supported by GPS manufacturers.
Understanding NMEA Sentences
NMEA sentences start with the $ character, and each data field is separated by a comma.
$GPGGA,110617.00,41XX.XXXXX,N,00831.54761,W,1,05,2.68,129.0,M,50.1,M,,*42 $GPGSA,A,3,06,09,30,07,23,,,,,,,,4.43,2.68,3.53*02 $GPGSV,3,1,11,02,48,298,24,03,05,101,24,05,17,292,20,06,71,227,30*7C $GPGSV,3,2,11,07,47,138,33,09,64,044,28,17,01,199,,19,13,214,*7C $GPGSV,3,3,11,23,29,054,29,29,01,335,,30,29,167,33*4E $GPGLL,41XX.XXXXX,N,00831.54761,W,110617.00,A,A*70 $GPRMC,110618.00,A,41XX.XXXXX,N,00831.54753,W,0.078,,030118,,,A*6A $GPVTG,,T,,M,0.043,N,0.080,K,A*2C
There are different types of NMEA sentences. The type of message is indicated by the characters before the first comma.
The GP after the $ indicates it is a GPS position. The $GPGGA is the basic GPS NMEA message, that provides 3D location and accuracy data. In the following sentence:
$GPGGA,110617.00,41XX.XXXXX,N,00831.54761,W,1,05,2.68,129.0,M,50.1,M,,*42
- 110617 – represents the time at which the fix location was taken, 11:06:17 UTC
- 41XX.XXXXX,N – latitude 41 deg XX.XXXXX’ N
- 00831.54761,W – Longitude 008 deg 31.54761′ W
- 1 – fix quality (0 = invalid; 1= GPS fix; 2 = DGPS fix; 3 = PPS fix; 4 = Real Time Kinematic; 5 = Float RTK; 6 = estimated (dead reckoning); 7 = Manual input mode; 8 = Simulation mode)
- 05 – number of satellites being tracked
- 2.68 – Horizontal dilution of position
- 129.0, M – Altitude, in meters above the sea level
- 50.1, M – Height of geoid (mean sea level) above WGS84 ellipsoid
- empty field – time in seconds since last DGPS update
- empty field – DGPS station ID number
- *42 – the checksum data, always begins with *
The other NMEA sentences provide additional information:
- $GPGSA – GPS DOP and active satellites
- $GPGSV – Detailed GPS satellite information
- $GPGLL – Geographic Latitude and Longitude
- $GPRMC – Essential GPS pvt (position, velocity, time) data
- $GPVTG – Velocity made good
To know what each data field means in each of these sentences, you can consult NMEA data here.
Parsing NMEA Sentences with TinyGPS++ Library
You can work with the raw data from the GPS, or you can convert those NMEA messages into a readable and useful format, by saving the characters sequences into variables. To do that, we’re going to use the TinyGPS++ library.
This library makes it simple to get information on location in a format that is useful and easy to understand.
Installing the TinyGPS++ Library
In the Arduino IDE, go to Sketch > Include Library > Manage Libraries or click on the Libary Manager icon at the left sidebar.
Search for TinyGPSPlus and install the library by Mikal Hart.
The library provides several examples of how to use it. In your Arduino IDE, you just need to go to File > Examples > TinyGPS++, and choose from the examples provided.
Note: the examples provided in the library assume a baud rate of 4800 for the GPS module. You need to change that to 9600, if you’re using the NEO-6M GPS module.
Getting Location Using the NEO-6M GPS Module and the TinyGPS++ Library
You can get the location in a format that is convenient and useful by using the TinyGPS++ library. Below, we provide a code to get the location from the GPS. This is a simplified version of one of the library examples.
/*
* Rui Santos
* Complete Project Details https://randomnerdtutorials.com
*/
#include <TinyGPS++.h>
#include <SoftwareSerial.h>
static const int RXPin = 4, TXPin = 3;
static const uint32_t GPSBaud = 9600;
// The TinyGPS++ object
TinyGPSPlus gps;
// The serial connection to the GPS device
SoftwareSerial ss(RXPin, TXPin);
void setup(){
Serial.begin(9600);
ss.begin(GPSBaud);
}
void loop(){
// This sketch displays information every time a new sentence is correctly encoded.
while (ss.available() > 0){
gps.encode(ss.read());
if (gps.location.isUpdated()){
Serial.print("Latitude= ");
Serial.print(gps.location.lat(), 6);
Serial.print(" Longitude= ");
Serial.println(gps.location.lng(), 6);
}
}
}
You start by importing the needed libraries: TinyGPSPlus and SoftwareSerial
#include <TinyGPS++.h>
#include <SoftwareSerial.h>Then, you define the software serial RX and TX pins, as well as the GPS baud rate. If you are using other pins for software serial you need to change that here. Also, if your GPS module uses a different default baud rate, you should also modify that.
static const int RXPin = 4, TXPin = 3;
static const uint32_t GPSBaud = 9600;Then, you create a TinyGPS++ object:
TinyGPSPlus gps;And start a serial connection on the pins you’ve defined earlier
SoftwareSerial ss(RXPin, TXPin);In the setup(), you initialize serial communication, both to see the readings on the serial monitor and to communicate with the GPS module.
void setup() {
Serial.begin(9600);
ss.begin(GPSBaud);
}In the loop is where you request the information. To get TinyGPS++ to work, you have to repeatedly funnel the characters to it from the GPS module using the encode() method.
while (ss.available() > 0){
gps.encode(ss.read());Then, you can query the gps object to see if any data fields have been updated:
if (gps.location.isUpdated()){
Serial.print("Latitude="); Serial.print(gps.location.lat(), 6);
Serial.print("Longitude="); Serial.println(gps.location.lng(), 6);
}Getting the latitude and longitude is as simple has using gps.location.lat(), and gps.location.lng(), respectively.
Upload the code to your Arduino, and you should see the location displayed on the serial monitor. After uploading the code, wait a few minutes while the module adjusts the position to get more accurate data.
Getting More GPS Information Using the TinyGPS++ Library
The TinyGPS++ library allows you to get way more information than just the location, and in a simple way. Besides the location, you can get:
- date
- time
- speed
- course
- altitude
- satellites
- hdop
The code below exemplifies how you can get all that information in a simple way.
/*
* Rui Santos
* Complete Project Details https://randomnerdtutorials.com
*
* Based on the example TinyGPS++ from arduiniana.org
*
*/
#include <TinyGPS++.h>
#include <SoftwareSerial.h>
static const int RXPin = 4, TXPin = 3;
static const uint32_t GPSBaud = 9600;
// The TinyGPS++ object
TinyGPSPlus gps;
// The serial connection to the GPS device
SoftwareSerial ss(RXPin, TXPin);
void setup(){
Serial.begin(9600);
ss.begin(GPSBaud);
}
void loop(){
// This sketch displays information every time a new sentence is correctly encoded.
while (ss.available() > 0){
gps.encode(ss.read());
if (gps.location.isUpdated()){
// Latitude in degrees (double)
Serial.print("Latitude= ");
Serial.print(gps.location.lat(), 6);
// Longitude in degrees (double)
Serial.print(" Longitude= ");
Serial.println(gps.location.lng(), 6);
// Raw latitude in whole degrees
Serial.print("Raw latitude = ");
Serial.print(gps.location.rawLat().negative ? "-" : "+");
Serial.println(gps.location.rawLat().deg);
// ... and billionths (u16/u32)
Serial.println(gps.location.rawLat().billionths);
// Raw longitude in whole degrees
Serial.print("Raw longitude = ");
Serial.print(gps.location.rawLng().negative ? "-" : "+");
Serial.println(gps.location.rawLng().deg);
// ... and billionths (u16/u32)
Serial.println(gps.location.rawLng().billionths);
// Raw date in DDMMYY format (u32)
Serial.print("Raw date DDMMYY = ");
Serial.println(gps.date.value());
// Year (2000+) (u16)
Serial.print("Year = ");
Serial.println(gps.date.year());
// Month (1-12) (u8)
Serial.print("Month = ");
Serial.println(gps.date.month());
// Day (1-31) (u8)
Serial.print("Day = ");
Serial.println(gps.date.day());
// Raw time in HHMMSSCC format (u32)
Serial.print("Raw time in HHMMSSCC = ");
Serial.println(gps.time.value());
// Hour (0-23) (u8)
Serial.print("Hour = ");
Serial.println(gps.time.hour());
// Minute (0-59) (u8)
Serial.print("Minute = ");
Serial.println(gps.time.minute());
// Second (0-59) (u8)
Serial.print("Second = ");
Serial.println(gps.time.second());
// 100ths of a second (0-99) (u8)
Serial.print("Centisecond = ");
Serial.println(gps.time.centisecond());
// Raw speed in 100ths of a knot (i32)
Serial.print("Raw speed in 100ths/knot = ");
Serial.println(gps.speed.value());
// Speed in knots (double)
Serial.print("Speed in knots/h = ");
Serial.println(gps.speed.knots());
// Speed in miles per hour (double)
Serial.print("Speed in miles/h = ");
Serial.println(gps.speed.mph());
// Speed in meters per second (double)
Serial.print("Speed in m/s = ");
Serial.println(gps.speed.mps());
// Speed in kilometers per hour (double)
Serial.print("Speed in km/h = ");
Serial.println(gps.speed.kmph());
// Raw course in 100ths of a degree (i32)
Serial.print("Raw course in degrees = ");
Serial.println(gps.course.value());
// Course in degrees (double)
Serial.print("Course in degrees = ");
Serial.println(gps.course.deg());
// Raw altitude in centimeters (i32)
Serial.print("Raw altitude in centimeters = ");
Serial.println(gps.altitude.value());
// Altitude in meters (double)
Serial.print("Altitude in meters = ");
Serial.println(gps.altitude.meters());
// Altitude in miles (double)
Serial.print("Altitude in miles = ");
Serial.println(gps.altitude.miles());
// Altitude in kilometers (double)
Serial.print("Altitude in kilometers = ");
Serial.println(gps.altitude.kilometers());
// Altitude in feet (double)
Serial.print("Altitude in feet = ");
Serial.println(gps.altitude.feet());
// Number of satellites in use (u32)
Serial.print("Number os satellites in use = ");
Serial.println(gps.satellites.value());
// Horizontal Dim. of Precision (100ths-i32)
Serial.print("HDOP = ");
Serial.println(gps.hdop.value());
}
}
}
Wrapping Up
We hope you’ve found this guide useful. We intend to make a GPS data logger with the NEO-6M GPS module and the SD card module, so stay tuned.
If you liked this project you may also like:
- Guide to SIM900 GSM GPRS Shield with Arduino
- Email Alert System on Location Change with Raspberry Pi and GPS Module
- Arduino Step-by-Step Projects
Thanks for reading.
I haven’t researched it yet, but it would be convenient to get m/ft relative to an initial point.
Hi John.
Yes, getting the distance to an initial point can be convenient.
You can do that with the library.
Check the example called “Distance and Course” at the library documentation here: http://arduiniana.org/libraries/tinygpsplus/
They give an example on how to do that.
I hope this helps.
Thanks 🙂
1:
why this void setup() {
Serial.begin(115200);
ss.begin(GPSBaud);
}
erlier you said 9600
2:
Serial.print(gps.location.lat(), 6);
what makes the number 6 ?
3:
Howe can I write to get the readings in “Degrees minutes seconds formats (DDD MM SS)”
Regards
Bertil
Hi Bertil.
1. It is 9600. I’ve already corrected that. Thanks for noticing.
2. The 6 specifies the number of decimal places.
3. You can get the location in that format in the $GPGLL NMEA sentence, when you get the raw data. To do that with the library, check the “Custom NMEA Sentence Extraction” in the library documentation here http://arduiniana.org/libraries/tinygpsplus/
Thanks.
Sara
NEO-6M can do upto 14 decimal places for Lat & Lon
= > (gps.location.lat(), 14)
=> (gps.location.lng(), 14)
and 7 decimal places for Altitude
=> (gps.altitude.meters(), 7);
Thanks for wonderful tutorials Rui Santos
Those extra decimals in output are just noise. One degree in earth surface means about 110km. So 6th decimal (in latitude) means 10cm which is for standard GPS just enough. For high precision GPS (which this is not) you can achieve cm level accuracy. And of course for altitude you don’t get real micrometer accuracy 😉
Thank you very much for this Guide. I have had this module for several weeks now and followed many guides but I could not get it to receive GPS DATA, yet alone to display it in the Serial Monitor. The I found your Guide to the NEO-6M GPS Module.
When I first ran the “Getting GPS Raw Data” code, I was excited that it worked first time.
I then tried the “Getting Location ” code. After 5 seconds it started to display the Lat & Long location. Two successes.
Thirdly, I had a go at the “Getting More GPS Information” code. After several tries I was disappointed that I was seeing no GPS DATA on the monitor. I spent the next 5 minutes looking over the code, trying to find out where I had gone wrong. Then suddenly, the monitor came to life and there was the GPS DATA being displayed and updating. I was impressed. You had done what many other codes could not do, you enabled me to receive the GPS DATA.
Next project – Add a 0.96” OLED display and make the PGS portable.
Kudos for this guide..
Hi Lance!
We always do our best to make our guides easy to follow, so that anyone is able to follow along.
We’re happy to hear that you’ve found this guide useful, and that your GPS module is working perfectly.
We also intend to make a new GPS project – a GPS datalogger – in a near future, so stay tuned.
Regards,
Sara 🙂
Hello!
Thank you for the tutorial!
Can I get a signal to synchronize time with my DS3231? Are new sentences sent in 00 seconds?
Hi.
What do you mean with synchronize with DS3231?
The GPS module allows you to get information about the time too.
Hello! I need a clock that contains the RTC block DS3231 to be precisely tuned to the other, which is several kilometers away. In my opinion, the only way through the GPS. How do i do this?
Hi again.
We don’t have any tutorial on that subject.
Maybe you need to read the time through the GPS module, and then, parse that time to the DS3231,
In this post you can see how to get GPS data. An on the following link, you can see how to set the time for the DS3231 real time clock: https://randomnerdtutorials.com/guide-for-real-time-clock-rtc-module-with-arduino-ds1307-and-ds3231/
I hope this helps.
Hi how can i stop that infinite loop? I just need to scan data once. Any adice? thanks!!
You can create a separate function that is called once in the setup function, for example
Hi, I have a NEO6M GPS board from Wish, following this guide does not give me the NMEA sentences, all I get on the serial monitor is
UBX-G60xx 00040007 FF47FFFFp)Z⸮b*ROM CORE 7.03 (45969) Mar 1
repeating over and over again. My baud rate is set at 57600. My board is connected to the arduino 3.3V out and I have a voltage divider between Arduino TX and the module RX. The red light on the board is always on, and it does feel hot to the touch.
Any ideas?
Hello David,
I’ve never encountered that error before, so I don’t know how to fix it. Sorry about that.
Regards,
Rui
it is restarting because it is powered with 5V.
Yet another well presented tutorial – Thank You.
Questions:
Why is some data reported as zero: altitude = 0.00, number of satellites = 0?
Is there an equivalent SoftwareSerial library for the ESP32?
Why do several of the items have “double” in the comments in the code? Is the data presented half of the real value or twice the real value?
Hi Stew! Thanks for your kind words. The variable declared as double simply means “Double variable = Double precision floating point number. On the Uno and other ATMEGA based boards, this occupies 4 bytes. That is, the double implementation is exactly the same as the float, with no gain in precision.” More information here: arduino.cc/reference/en/language/variables/data-types/double/
I guess that happens (altitude = 0) when the requests fails to retrieve the data properly…
how gps module cab fetch location without internet???
Hi Faruq, the GPS module makes a request to satellites that provide the current location. No need for an Internet connection.
Hey! Thanks for such a useful tutorial. I was wondering if there is any way to reduce the time taken by the GPS module before it starts displaying data?
I think, you would need to optimize the library for a faster GPS readings… Or use a more powerful board with the module.
do you by any chance have a code that also saves it to a SD card? I am trying to figure that out but it not going well.
Hi.
We have some examples on how to save data to microSD card. You can modify those examples to save GPS data.
Take a look at these guides:
Guide to SD Card Module with Arduino
Arduino Temperature Data Logger with SD Card Module
I hope this helps. 🙂
Great tutorial you got here..I would like to take this project a step further and turn on and off a relay once a certain speed is output. How can this be achieved? do you already have any tutorial to demonstrate this? Thanks in advance!
Hi Mario.
We don’t have any tutorial on that subject. But we do have a tutorial about the relay and the Arduino that may be useful: https://randomnerdtutorials.com/guide-for-relay-module-with-arduino/
Regards,
Sara 🙂
my ss.read() function not working properly its not return GPGGA values please help me?
ss.read() function not work properly can you please help me?
Hi.
What do you mean by not working properly? Can you provide more details?
ss.read() function is reading character but they are not valid so the location is not show can you provide your email so that i can contact you.
We receive lots of questions everyday. Unfortunately, we’re not able to provide email support to all our readers.
Have you tried both codes on our tutorial?
The one with the TinyGPS++ Library??
Are you wiring your GPS module correctly? Our sketch assumes you are using pins 4 and 3 as RX and TX serial pins to establish serial communication with the GPS module.
Try swapping the RX with the TX wires and see if you’re able to get the right information.
I hope this helps.
Regards,
Sara 🙂
The code that provide location from the GPS noting print any thing in serial monitor
/*
* Rui Santos
* Complete Project Details https://randomnerdtutorials.com
*/
#include
#include
static const int RXPin = 4, TXPin = 3;
static const uint32_t GPSBaud = 9600;
// The TinyGPS++ object
TinyGPSPlus gps;
// The serial connection to the GPS device
SoftwareSerial ss(RXPin, TXPin);
void setup(){
Serial.begin(9600);
ss.begin(GPSBaud);
}
void loop(){
// This sketch displays information every time a new sentence is correctly encoded.
while (ss.available() > 0){
gps.encode(ss.read());
if (gps.location.isUpdated()){
Serial.print(“Latitude= “);
Serial.print(gps.location.lat(), 6);
Serial.print(” Longitude= “);
Serial.println(gps.location.lng(), 6);
}
else{
Serial.print(“L”);
}
}
}
this code always return else statement not return if?
That means that your Arduino is not receiving any information from the GPS module.
Please double check the wiring and try to change the RX with the TX pins and the other way around and see if you can get something.
If not, maybe your GPS module is broken or something 🙁
Which board are you using?
Wow, great tutorial, really helped a lot but the problem I am facing is that, when I tried to use this code with the GSM module, trying to send the coordinates in a message to a specified number, the line
ss.begin (GPSBaud)
does not allow my message to be sent. Message will send if I comment that line out. Anyone who can help?
Did you enter the country code in the number? What’s the error that is happening?
Hi,
I’ve a problem with my GPS module. After connecting it to Uno, a red LED on the GPS module blinks once, and then nothing. There is no further blinking, and no data is received on the serial monitor.
I tried it outside in open sky, waited for around an hour, still no fix.
I connected VCC of the module directly to the 5V pin of the Uno, no pull-up resistors were used.
Is it a wiring/connection problem? I’ve soldered header pins to the Neo 6M GPS module, and there is no shorting.
Please reply asap.
Thanks and regards,
Joe
Hello Joe,
I’m not sure, to be honest I’ve never had that problem before, so I don’t know why that’s happening.
Regards,
Rui
Two comments
1. Re the accuracy/stability of the NEO-6M itself.
In the example the longitude is given as 8.525774 with variations in the last digit – my experience with the device over several hours the variation could be in the last 3 figures. Reading two devices at the same time they did not give the same result and they did not track.
2.Re the TinyGPS++ in general I obtained the same results as the example except every 10 seconds or so the display had a glitch. By lowering the baud rate of the output to 9600 – the same as the GPS – the issue went away. Going to higher baud rates the issue became worse. I wonder if the output was “catching” up to the input – I think one would really need to know the nuts and bolts of the TinyGPS++ and Serial Libraries to really figure it out.
Tried the same code ..the softwareserial code but didn’t get any output,tried several times but the code is not working
Hi.
Can you check you have the TX and RX cables correctly wired?
Also check you are setting the right baud rate on the Serial monitor.
If you don’t get any response from the sensor, it may be something wrong with the sensor itself.
Regards,
Sara.
If precise readings are required I think there is an issue with the GPS examples due to the limited precision of the Arduino UNO. In the Uno using double only gives the same precision as float – ie 4 bytes which from the Arduino reference is approximately 6-7 decimal digits. Since in Rui/Sara’s example the longitude is only 8 degrees their example has only 7 digits so does not appear to run into problems.
However I’m at 145.073736 which is 9 digits. Using TinyGPS++ always gives a “0” in that 6th decimal place – I suspect the 5th place is also subject to some error. I’ve looked at the TinyGPS++ code and the only issue is they convert their readings into double. The problem then is that for the Arduino Uno double precision is the same as float and is only 4 bytes – not sufficient for the GPS. Refer to Arduino Reference for “double” – they warn about being aware when importing code into the Arduino. Note for the Due double is 8 bytes so will be OK.
Having said all that – using the GPS can give some fun projects but don’t expect to drive a robot down the centre line of the highway!
How to support the Neo-6M GPS and Arduino into a Google app?
Hi.
I don’t have any project about that subject.
Regards,
Sara 🙂
Hello,
Great tutorial guys and a great code. I have a problem with the altitude it is showing always as zero. Does it need some calibration first or there is some other fix? All other data are showing nicely (altitude, longitude, date, time, number of satellites, speed…)
Thanks a lot
Hi Anthony.
It doesn’t need any calibration. At least, in our example, we’ve just uploaded the sample code, and everything worked nicely.
Did you experiment the simple example sketch that returns NMEA sentences? And using TinyGPS library? Do you get the same results using both methods?
Regards,
Sara 🙂
Hi, I have try for the second code that display longitude and latitude, but nothing come out from serial monitor….Can help me ? Thank you
Hi Min.
What about the first code? Did it worked well?
It’s weird that the code with the library is not working :/
Regards,
Sara 🙂
Hey guys! Great tutorial!
I tried out the code and everything was working perfectly fine at first. Unfortunately, the only values that seem to be updating are those for Latitude and Longitude, all other values display 0. Is there any way to solve this?
Hi Hector.
Other readers reported the same problem.
Unfortunately I have no idea why that is happening.
If you find a solution please let as know.
Regards,
Sara 🙂
In the final code you have RXPin = 4, TXPin = 3; but above the first code with serial it says RXPin is pin 3 and TXPin is pin 4 ? Please explain! The first code works, but not the final code
Hi Rafael.
I don’t understand your question. The RX pin is 4, and the TX pin is 3 in both codes.
Hi,
I want to connect neo 6 with Esp and plot the coordinates in realtime over wifi, can you please help? pleaseeeeeeeeeeeeeeee
Hi Ubaid.
At the moment, we don’t have a specific tutorial about that subject.
Regards,
Sara 🙂
Hi.
The altitude is 0.00m
Sometimes the number of sattelites is also 0 . all the other are right.
The altitude is 0.00 and the number of satellites is allways less than 4
Hi Dimos.
Other readers have reported the same issue.
Do you get that issue with the first or second example sketch?
am using ublox-neo 6m and arduino uno am getting imformation but time is behinde by 2hrs… How can I correct my code to get the right time am in Malawi (Africa) below is my code am using
#include
#include
/*
This sample code demonstrates the normal use of a TinyGPS++ (TinyGPSPlus) object.
It requires the use of SoftwareSerial, and assumes that you have a
4800-baud serial GPS device hooked up on pins 4(rx) and 3(tx).
*/
static const int RXPin = 11, TXPin = 10;
static const uint32_t GPSBaud = 9600;
// The TinyGPS++ object
TinyGPSPlus gps;
// The serial connection to the GPS device
SoftwareSerial ss(RXPin, TXPin);
void setup()
{
Serial.begin(115200);
ss.begin(GPSBaud);
Serial.println(F(“FullExample.ino”));
Serial.println(F(“An extensive example of many interesting TinyGPS++ features”));
Serial.print(F(“Testing TinyGPS++ library v. “)); Serial.println(TinyGPSPlus::libraryVersion());
Serial.println(F(“by Rodrick Custom Dzonzi”));
Serial.println();
Serial.println(F(“Sats HDOP Latitude Longitude Fix Date Time Date Alt Course Speed Card Distance Course Card Chars Sentences Checksum”));
Serial.println(F(” (deg) (deg) Age Age (m) — from GPS —- —- to London —- RX RX Fail”));
Serial.println(F(“—————————————————————————————————————————————-“));
}
void loop()
{
static const double LONDON_LAT = 0.00, LONDON_LON = 0.00;
printInt(gps.satellites.value(), gps.satellites.isValid(), 5);
printFloat(gps.hdop.hdop(), gps.hdop.isValid(), 6, 1);
printFloat(gps.location.lat(), gps.location.isValid(), 11, 6);
printFloat(gps.location.lng(), gps.location.isValid(), 12, 6);
printInt(gps.location.age(), gps.location.isValid(), 5);
printDateTime(gps.date, gps.time);
printFloat(gps.altitude.meters(), gps.altitude.isValid(), 7, 2);
printFloat(gps.course.deg(), gps.course.isValid(), 7, 2);
printFloat(gps.speed.kmph(), gps.speed.isValid(), 6, 2);
printStr(gps.course.isValid() ? TinyGPSPlus::cardinal(gps.course.deg()) : “*** “, 6);
unsigned long distanceKmToLondon =
(unsigned long)TinyGPSPlus::distanceBetween(
gps.location.lat(),
gps.location.lng(),
LONDON_LAT,
LONDON_LON) / 1000;
printInt(distanceKmToLondon, gps.location.isValid(), 9);
double courseToLondon =
TinyGPSPlus::courseTo(
gps.location.lat(),
gps.location.lng(),
LONDON_LAT,
LONDON_LON);
printFloat(courseToLondon, gps.location.isValid(), 7, 2);
const char *cardinalToLondon = TinyGPSPlus::cardinal(courseToLondon);
printStr(gps.location.isValid() ? cardinalToLondon : “*** “, 6);
printInt(gps.charsProcessed(), true, 6);
printInt(gps.sentencesWithFix(), true, 10);
printInt(gps.failedChecksum(), true, 9);
Serial.println();
smartDelay(10000);
if (millis() > 5000 && gps.charsProcessed() < 10)
Serial.println(F("No GPS data received: check wiring"));
}
// This custom version of delay() ensures that the gps object
// is being "fed".
static void smartDelay(unsigned long ms)
{
unsigned long start = millis();
do
{
while (ss.available())
gps.encode(ss.read());
} while (millis() – start 1)
Serial.print(‘*’);
Serial.print(‘ ‘);
}
else
{
Serial.print(val, prec);
int vi = abs((int)val);
int flen = prec + (val = 1000 ? 4 : vi >= 100 ? 3 : vi >= 10 ? 2 : 1;
for (int i=flen; i<len; ++i)
Serial.print(' ');
}
smartDelay(0);
}
static void printInt(unsigned long val, bool valid, int len)
{
char sz[32] = "*****************";
if (valid)
sprintf(sz, "%ld", val);
sz[len] = 0;
for (int i=strlen(sz); i 0)
sz[len-1] = ‘ ‘;
Serial.print(sz);
smartDelay(0);
}
static void printDateTime(TinyGPSDate &d, TinyGPSTime &t)
{
if (!d.isValid())
{
Serial.print(F(“********** “));
}
else
{
char sz[32];
sprintf(sz, “%02d/%02d/%02d “, d.month(), d.day(), d.year());
Serial.print(sz);
}
if (!t.isValid())
{
Serial.print(F(“++3600000 “));
}
else
{
char sz[32];
sprintf(sz, “%02d:%02d:%02d “, t.hour(), t.minute(), t.second());
Serial.print(sz);
}
printInt(d.age(), d.isValid(), 5);
smartDelay(0);
}
static void printStr(const char *str, int len)
{
int slen = strlen(str);
for (int i=0; i<len; ++i)
Serial.print(i<slen ? str[i] : ' ');
smartDelay(0);
}
please help me how I can edit my code to have correct time
my email: [email protected]
Hi.
Take a look at the following example.
It might help. instructables.com/id/Adjusting-GPS-Date-and-Time-to-your-Time-Zone/
Regards,
Sara
Hi Rui.
I cannot get your sketch to display gps data frommy neo-6m.
I know the gps unit has a fix and generating NMEA sentences with full location data by using the u-blox u-center software. When I disconnect U-center from the gps unit and try to read the messages with your sketch it displays zeros, not valid data.
I have baud rates correct. I have the pin connection correct.
Can you advise me what I can do to learn why the sketch is not seeing the gps data,please?
Thanks.
I’m not sure, I’ve tried this code with multiple NEO-6M modules and it worked for me. Do you have another module that you can use to see if it works?
Thank you so much – a perfect set of examples and clearly written instructions to follow.
Thanks 🙂
Hi I’m still having difficulty downloading TinyGPSPlus from github. I’ve tried downloading by ZIP and recently by cloning and it downloads all but the .CPP and .H files. So far Github has been unable to help. Is there any other source besides Github for this library? Thanks
Hi Alan.
I’ve tried to download the library by .zip from the github page, and it is working fine.
https://github.com/mikalhart/TinyGPSPlus
Click the “Clone or Download” button and then select “Download ZiP”.
See this image: https://randomnerdtutorials.com/wp-content/uploads/2019/01/download-tiny-gs.png
Then, you just need to follow the instructions on the “Installing the TinyGPS++ Library” section of this tutorial .
I hope this helps.
Regards,
Sara
How can i get the longitude, latitude and altitude gata of gps on my mobile phone sms using sim 900
Hi.
We don’t have information about that specific tutorial.
However, you can take a look at some of our tutorials that may help you:
– https://randomnerdtutorials.com/sim900-gsm-gprs-shield-arduino/
– https://randomnerdtutorials.com/request-sensor-data-sms-arduino-sim900-gsm-shield/
Regards,
Sara
Can i use GPSBaud=19200?
Hi.
It depends on your GPS module default baud rate.
Probably this is the best tutorial available on internet on this specific topic !!!
thank you!!
Thank you for your interest in our projects.
Regards,
Sara
How do I connect my GPS to a 16*2 lcd with potentiometer? And what changes do I need to make to the code in order display all GPS data on my lcd?
Hi John.
You need to learn how to use an LCD display to do that.
It is not difficult at all. You can use the following tutorial as a reference: https://randomnerdtutorials.com/arduino-display-the-led-brightness-on-a-lcd-16×2/
I hope this helps.
Regards,
Sara
How this GPS module request the satellite?
Hi.
What do you mean?
At first, the two TinyGPS++ sketches didn’t show any data. But after five minutes, the module’s LED began blinking and all the data began to appear in the serial monitor.
Great project, Rui and Sara!
Hi Joel.
I’m happy that it worked.
Maybe the GPS module just needed some time to connect and find satellites.
Regards,
Sara
As for moving TinyGPSPlus into the Arduino installations, do you mean the libraries folder in the Arduino directory?
Yes.
Hi guys, thanks for this tutorial well explained, as always 🙂
I have a question, I tried to execute the first program and I got those results :
$GPRMC,,V,,,,,,,,,,N*53
$GPVTG,,,,,,,,,N*30
$GPGGA,,,,,,0,00,99.99,,,,,,*48
$GPGSA,A,1,,,,,,,,,,,,,99.99,99.99,99.99*30
$GPGSV,1,1,00*79
$GPGLL,,,,,,V,N*64
After looking on others forums it seems that satellites don’t see my GPS, do you have any idea of how could I get normal sentences ?
Thanks !
Hi.
What do you mean by “satellites don’t see my GPS”?
Have you tried this library: arduiniana.org/libraries/tinygpsplus/
Did you get weird results with this library too?
Regards,
Sara
Hi tanks for reply !
Well I meant : It seems that my gps isn’t able to get informations from satellites, because the NMEA sentences returned are “empty”.
When I used the tinygpsplus library, I firstly got nothing, then I deleted the iteration “if (gps.location.isUpdated())”, and I got everything at 0 :
Latitude= 0.000000 Longitude= 0.000000
Raw date DDMMYY = 0
Speed in m/s = 0.00
Speed in km/h = 0.00
Altitude in meters = 0.00
Number os satellites in use = 0
So not weird results (because my NMEA sentences are empty), but not good to…
Heeyyyy it finally worked !!
It was definitively a connection problem. I went outside, waited some minutes, and it worked!
Thanks for that tutorial 🙂
Great!
I’m glad it is working now.
Regards,
Sara
You should wait about 10-20 minutes before your GPS module will find appropriate satellites
Hello, I want to read exact location of mobile ( longitude and latitude ) by using bluetooth HC-05 Module.
is it possible? or please tell me if there is any other way…
Hi.
I’m sorry, but we don’t have any resources about that subject.
Regards,
Sara
Excellent article and code examples, you really helped me to get this working! Thank you!
Thanks 🙂
Hi, thank you for the article.
When I open my serial monitor, all I get is a bunch of weird gibberish characters. Do you know how to fix the problem?
Thank you
Hi.
Make sure that your serial monitor is set to the right baudrate.
Hi
I wanted to make a GPS logger. I have been trying to follow tutorials on the internet but I have had no luck yet. Could anyone please help? my hardware is and arduino uno which it temporary replacing a nano, neo m6 ublox GPS module and an SD card module.
Thank You
Hi Roman.
Maybe our SD card tutorial can help: https://randomnerdtutorials.com/guide-to-sd-card-module-with-arduino/
Regards,
Sara
I have Got Longitude and latitude successfully now i want to save these longitude and latitude in database. i am using esp8266 esp01 with arduino uno and neo6m gps. can you please guide me how i can send it to database using esp8266.
Unfortunately I don’t have any tutorials on that exact subject, but I recommend searching for HTTP POST ESP or you can follow this tutorial: Visualize Your Sensor Readings from Anywhere in the World (ESP32/ESP8266 + MySQL + PHP)
In that project I’m posting sensor readings, but you could send GPS coordinates the same way.
A number of people are having a problem with the number of satellites and the altitude reporting 0. I changed the serial baud rate at Serial.begin to 115200 in the code and also in the serial monitor to 115200 and it is now giving me the number of satellites and altitude.
Everything is working great now. Thanks so much for this tutorial.
Hi Randall.
Thank you for sharing that info.
It will certainly be useful for our readers.
Thank you.
Regards,
Sara
Hello, great piece of code, was wondering on the code I would use to display output from the Serial.print to lcd.print, how can I connect the output of latitude and longitude from the serial print to my LCD.
Hi.
You can follow this tutorial to learn how to display something on the LCD display.
https://randomnerdtutorials.com/esp32-esp8266-i2c-lcd-arduino-ide/
This tutorial is for ESP32 and ESP8266, but it should work with Arduino. You just need to connect the right I2C pins.
Regards,
Sara
Would like to make a clock – shift registers to LED display using the GPS – any future project?
Purely Hours – minutes and seconds.
How do you alter Hours to GMT +2 ??
Hi Zee.
Thanks for the suggestion, but that’s not in our plans.
Regards,
Sara
Can we able to use this gps for outdoor positioning like for marine applications ?
Hi.
Yes, you can do that.
You just need to check if it has enough accuracy for your specific application.
Regards,
Sara
I have Got Longitude and latitude successfully now i want to save these longitude and latitude in database online. i am using esp8266 esp01 and neo6m gps. can you please guide me how i can send it to database using esp8266.
Hi Christian, you can follow this project: https://randomnerdtutorials.com/esp32-esp8266-mysql-database-php/
Regards,
Sara
Thnk Sara
did yo guys make a GPS data logger yet ? Thank you
Hi.
We don’t have any tutorial about that.
Regards,
Sara
Hi! This might be a stupid question but why do I have to use the TX/RX pins? Can I use other Digital Pins? I’m asking because I’d like to output the information to another software (Max/MSP) to be interpreted there by another kind of code but.
Thanks!
Hi Pedro.
As we’re using software serial, you can choose any pins to connect.
You just need to modify your code accordingly.
Regards,
Sara
hi sara
just i have done it by pic micro controller using mp lab IDE c code.
but i will like to do again by Arduino, sis could you help me please just what is the difference between them
Hi.
I’m sorry but I didn’t understand your question.
Can you reformulate?
Regards,
Sara
i will do gps interface with arduino display in lcd.
pleas help me the cod ms sara
hi sara & Rui santos
this is great tutorial thanks to you and your members keep it up pleas.
just i have read all even if the coments your respond is amazing .
i pass to my point i am doing GPS with Arduino using simulation now so i would like to display this your code to LCD not to com pleas help with same explaination
regards,
tesfalem
Hi Sara,
Great help! I have been trying for ages to parse data ready for assembling a string that can be sent to an SD card. Your noted helped me to do this in minutes. Thank you.
However, using Lat = (gps.location.lat(),6); Lon = (gps.location.lng(),6); just produces: (2020/3/19)(20/27/59) 6 6 94.40 8, where the two sixes were the fields for Lat and Lon. Removing the sixes: Lat = (gps.location.lat()); Lon = (gps.location.lng()); prints Lat Lon values.
Any suggestions.
Colin H.
Hi Colin.
I’m sorry, but I didn’t understand your question.
Regards,
Sara
Hi Sara,
It is just the latitude and longitude that prints out using your code are only printed out to two decimal places.
When the ‘6’ is added to the codes, the serial print out only prints out ‘6’, and not the GPS values.
Hope that helps.
Thank you for getting back.
Colin.
Hi Colin.
I don’t know why that happens. Maybe it is because you don’t have enough signal for the module to get the coordinates?
Does your GPS module’s blue LED blinks? That means it is catching satellite signal and can calculate the position.
Regards,
Sara
Thanks for getting back, Sara.
The last bit of the message, I see, got garbled.
Basically, the codes for latitude and longitude only showed two decimal places. And, when I added the code: (gps. location. lat(), 6);, the Serial print printed ‘6’, and no GPS value.
Best wishes
Colin.
Hi 🙂
Does the length of the GPS information after the ‘$’ sign vary ?
Thanks your informations
Hi.
Yes, it can vary depending if it is able to pick up all the information from the satellites.
Regards,
Sara
Hi again,
Thank you so much for your answer.
I have found a NEO-6M-GPS shield for arduino Uno/Mega with SD on it for Datalogging. Do you know more about this shield. Where can I get more information about this shield . I like to build a tracking project. Catch gps data, show the data on a oled 1.3 display and save the data on SD-Card. Do you know a tutorial I can use? I´m a beginner.
Greatings
Hi.
We don’t have a tutorial about that.
But, we have some tutorials that you can combine:https://randomnerdtutorials.com/guide-to-sd-card-module-with-arduino/
https://randomnerdtutorials.com/arduino-temperature-data-logger-with-sd-card-module/ (modify to save GPS data instead of temperature)
You can check all our Arduino projects here: https://randomnerdtutorials.com/projects-arduino/
Regards,
Sara
Hello,
I am a researcher and currently study slipping of tractor’s tires on muddy and sandy grounds, so I need to measure the actual speed of the tractor through GPS and measure the theoretical speed of the tires through a tachometer.
Do you recommend a GPS device that can be connected to a laptop to read the tractor speed data, record it, deal with it on a program, and compare it with the theoretical speed of tires??
Will its accuracy and response be good??
What is the lowest speed that GPS can read it with good accuracy?
Do you recommend any device that can measure the actual speed of a tractor?
What about NEO-6M for this project?
Hi Mohamed.
I’m not familiar with sensors for your project.
The NEO-6M is not very accurate, specially if it doesn’t get signal from many satellites. However, if the place where you’ll use it has a good signal, maybe you can get good results.
You really need to experiment and see if it is appropriate for your project or not.
Regards,
Sara
Mohamed, Guidance on achievable accuracy, time to acquire satellites etc. is very thin on the ground. It would be good to see a proper article written to make clear what is achievable with these low cost devices and limited precision processors like the UNO. Is there anyone out there who can do that?
The projects described here are an excellent introduction and very helpful in understanding how it all works. But I doubt that the precision comes close to what you need for monitoring low speed movement of a tractor. I think the positional accuracy is unlikely to be better than about 2m. (Does anyone know otherwise?)
I have a similar interest in monitoring the speed of a passenger carrying miniature railway train (speeds below 5mph). I gave up because GPS modules that can achieve positional accuracy below 1m cost hundreds if not thousands of dollars. I stayed with axle speed monitoring using a sensor that gave 22 pulses per revolution – and positional accuracy of close to a couple of centimeters – which works for me, but doesn’t solve your problem of wheel slip.
I hope someone is able to give you a more positive and helpful response.
hi sara
thanks alot for your tutorial.
in serial monitor, i see Latitude= 36.125423 Longitude= 43.998405
i want to store those into string variables as below:
String lati = gps.location.lat(), 6;
String logi = gps.location.lng(), 6;
but in serial monitor shows this :
lati= 36.13
logi= 44.00
i want data store in string whith decimal.
please help me
thanks
Hi. Great tutorial. It works fine. A detailed explanation helped a lot.
I have another issue. I’m trying to combine neo 6m and dht22 with esp8266. It works fine when I use they delay of 500 ms or below. Unfortunately, it doesn’t work when I use a delay above 500ms. With 500ms or no delay, there are a lot of duplicate readings and a lot of data to handle. Can you guide any solution to that? A delay of 5000ms would be fine. Thanks
Hi.
I suggest that you try use timers instead of delays.
It may also be useful to use taskscheduler: https://www.arduino.cc/reference/en/libraries/taskscheduler/
Regards,
Sara
what’s the Neo6 Rx buffer size ?thanks
Hi
Thanks a lot for your useful tutorials .
I am used NEO-6M GPS Module with ESP32 and connect Vcc with 3.3V also used your code but the module didn’t work (no output on serial monitor)
Can you tell me where the problem, please?
how can you make a 0 to 60 mph meter ?
that shows how much time took to reach 60mph
Regards
Jose
Hello Sara Santos,
thank you for your interesting project and it was very beneficial to me.
Now I am trying to adapt your code with the stm32 bluebill for a current project but I am having problems.
Could you help me because I’m new to programming?
I want to know how to use PPS pin of the GPS
Hallo,
I wanted to run the sketch with an ESP32. It did not work. Compilation Error ! It takes me one and a half day to find the right SoftwareSerial.h . There are a few different Libraries. So be so kind and give a hint at the beginning of the Tutorial. The library is in the Arduino core.
Hi.
This code is not compatible with the ESP32.
It is for the Arduino board.
Search on google for “ESP32 with NEO-6M” and you’ll find some sample codes for the ESP32.
At the moment, we don’t have any examples for this module with the ESP32.
Regards,
Sara
Hi, When i tried the first code which gave Dan output of NMEA sentences it worked.
But fated install the TinyGPS++ library and running the new code nothing appears on the serial monitor at all.
Ps. My baud rate is 9600
Hello Ernst,
I think I can help. I have a project ‘Navigator-II’, using an NodeMCU ESP-32, GPS Neo-M8N and OLED display, last worked on it on 6/2022. I am using a SoftwareSerial.h library, just have to check the version.
I can send you the info, code and picture. I am sure you will find the answer.
Hallo Danni,
ich habe dieses Tutorial mit der passenden SoftwareSerial Datei in Betrieb. Ich möchte jetzt aber mehr. Ihr Angebot nehme ich daher gerne an.
Zu meiner Person: Anfänger mit Arduino Programmierung, Teste gerne Tutorials. Mein Alter: 80 Jahre.
Meine E-mail Adresse oldschueller at t-online.de
Hello Danny,
thank you very much for your offer. I appreciate your help. I am a newcommer in Arduino and like it very much to get Tutorials working. I am in the age of 80 and therefore a little bit slow. If you able to send me your work then please to my e-mail [email protected]. Greetings from Germany.
the first code that displays the nmea sentences works for me but the last two codes using the tinygpsplus library doesnt work at all, i dont know why. but the last two codes worked a couple of times before but for two weeks now ive not been able to get it to work
my serial monitor doesnt show any errors as well.
What happens exactly with that example?
Regards,
Sara
Hi , i tried my best to get this module work but i not connecting tothe satellite or even u center software. It not showing anything on serial monitor . I need to know, is it need to connect Satellite before everything? And how much time will it take to connect . Thanks
Hi.
After uploading the code, you need to place the sensor outside or near a window to catch the satellite signal.
It will display information on the serial monitor, once it has found a stable number of satellites.
Regards,
Sara
Thanks for the excellent tutorial.
I am confused about one thing.
In your article, you say:
The module GND pin is connected to Arduino GND pin
The module RX pin is connected to Arduino pin 3
The module TX pin is connected to Arduino pin 4
The module VCC pin is connected to Arduino 5V pin
Code
Copy the following code to your Arduino IDE and upload it to your Arduino board.
/*
* Rui Santos
* Complete Project Details https://randomnerdtutorials.com
*/
#include <SoftwareSerial.h>
// The serial connection to the GPS module
SoftwareSerial ss(4, 3);
void setup(){
Serial.begin(9600);
ss.begin(9600);
}
void loop(){
while (ss.available() > 0){
// get the byte data from the GPS
byte gpsData = ss.read();
Serial.write(gpsData);
}
}
View raw code
This sketch assumes you are using pin 4 and pin 3 as RX and TX
At the start of this extract, you say RX is pin 3 and TX is pin4.
But the last line suggests the opposite.
Which one is right?
After coding and all set up, i connect arduino with battery for power and disconnect with laptop still i will get output coordinate ? or what else i need to do if my arduino connect with battery and i want output?
How do you get away with connecting the Neo-6M to the
5V Vcc pin on the Arduino, when the spec for the module
from U-Blox clearly states 3.6vdc MAXIMUM Vcc input?
Hello, I connected the NEO-6M to the ESP8266 according to your tutorial, using a 3.3V power supply, but there is a problem with the connection, I don’t know why? I changed the GPIO pin several times, but it still doesn’t work. I don’t know where the problem lies.
Hi.
What’s exactly the issue?
Do you get any errors on the serial monitor?
Please note that the module needs to be outside or very close to a window to be able to catch wi-fi signal.
Regards,
Sara
Thank you very much for your reply. The problem has been solved. You can use USB to TTL to connect 3 wires, but you need 4 wires to use ESP8266. I have no data before. It should be that RX and TX are reversed.
Thank you for your wonderful tutorial!
I get it to work on the Arduino Uno.
However, on my iLabs Challenger RP2040 it almost works, and I want to use that one because it has WiFi built-in. This is the output from SoftwareSerial. Is it something with the baud rate or is it simply incompatible?
$GPRMC,145049.00,A,5904.35602,N,01418.09638�������������������������������������������������i�)JI�jR”:A����������������������9���������������Y`rXb\dfXph\hX�Xfd\dX�
i would like to get more accurate positioning using dgps. my setup works and i get the nmea messages. i have tried to use pygpsclient to get correction data for my rover but so far had no luck. the neo6m does not see a sbas satellite and trying to include an ntrip client is not working.
I can’t get the data in “Centiseconds” for the TIME. It’s just giving ‘0’?
I’m using NEO-6M
Hello Dear Brother can you help me I want to control arduino with GPS module. Please teach me how to connect the GPS module to the satellite. Thank you in advance
Hi – Great guide and all work excellently except…I find that if I look at the longitude and latitude values at more the 4 decimal places they are constantly changing while the GPS unit is stationary. Is this to be expected and if I want a stable reading I need to trim to 4 decimal places (11.12 meters longitude and latitude accuracy) or is there something I am doing wrong?
Nice tutorial. How should the antenna be placed, the ceramic part facing up or the metal plate up to the sky to get the satellite signals? Many videos have shown both ways.
I want to know this too