Questions tagged [gps]

Global Positioning System. Uses satellites to determine geographic location.

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13
votes
4answers
2k views

Some Arduino components seem ridiculously cheap

My project is an Arduino-based device, packed into a box. It will need to use Speed, Latitude, Longitude and Altitude data to log hills it detects on to an SD. On the press of a button, it will need ...
4
votes
2answers
2k views

Can I use a GPS from old Garmin with an Arduino?

I'm working on an Arduino project, and I'd like to add GPS functionality. I could buy a GPS module, but those are expensive. I had an old Garmin Forerunner 305 lying around, so I took it apart and ...
3
votes
4answers
39k views

uBlox Neo 6M GPS module not responding

I started recently working with a uBlox Neo 6M GPS module (data sheet http://www.u-blox.com/images/downloads/Product_Docs/NEO-6_DataSheet_%28GPS.G6-HW-09005%29.pdf). I connected it to an Arduino Uno ...
3
votes
3answers
15k views

Cheapest Arduino GPRS or 3G solution

I am looking at creating a fleet of low power, Arduino driven devices. I would need some kind of GPS on them all (or could triangulate through phone network?) plus a connection to the internet - just ...
3
votes
2answers
5k views

Arduino Mega + SIM808 GSM + GPS Module + Program Switch ON without pressing Push Button?

I am new to IOT and tried out integration and a small test code with an Arduino Mega + SIM808 + GSM + GPS Module. It works fine with the SIM808 Library. My requirement is to put it in an enclosure, ...
3
votes
1answer
90 views

Best way of storing extra data for Arduino project

I am an arduino beginner and I am trying to make a speed camera alert system, it would start beeping if I am above the speed limit and getting close to the speed camera. There is this website where I ...
3
votes
1answer
811 views

Using AA batteries to power Arduino and GPS unit

I'm more of a software guy, so I need your help to figure out the power issue with my Arduino. What I would like to do is using a GSM/GPS unit (Ai-Thinker A7) with Arduino Nano as a car tracking ...
3
votes
1answer
7k views

Getting RTK-precision GPS with arduino devices like NavSpark?

In trying to learn how to create a reasonably precise 3d model of my (very hilly) property, I stumbled across a product called Navspark, which appears to be a $22 arduino-compatible development board, ...
2
votes
4answers
6k views

GPS very short distance calculation

I'm currently working on a project involving making a "parent-child distance warning system" with my Flora board + Ultimate GPS Module (https://www.adafruit.com/product/1059). I'm on the preliminary ...
2
votes
3answers
13k views

SIM808 module GSM working fine, GPS not working (No GPS ready message on power on)

I powered on my SIM808 module. It showed me following output: RDY +CFUN: 1 +CPIN: READY Call Ready SMS Ready It supposed to show GPS ready also. I sent AT command and return ok. However ...
2
votes
1answer
287 views

GPS Module Outputting Question Marks in Serial Window

I've got a uBlox Neo 7N GPS Module and configured it so if theres is no incoming data print no location but if there is print the latitude and longitude. However it's printing ?,?. So I'm assuming it'...
2
votes
2answers
860 views

Assigning float to 10 decimal place for longitude,latitude

I'm quite a novice in arduino programming. I am doing a small home project and I am using sim808 to obtain GPS data. My question is quite simple but i can't find any solution online. Serial.print("...
2
votes
1answer
867 views

Building a gps system

I'd like to build a simple GPS system. It should be very little. For the software side, I will build an API, so from my PC/smartphone/whatever else I could ask the GPS system where it is located (I ...
2
votes
1answer
2k views

Serial.parseFloat() reads 0 despite me entering different value

I'm trying to make a robot that asks the user for the longitude and the altitude form the user and then using the data the GPS collects to go to the wanted location, however when I use Serial....
2
votes
1answer
288 views

Not showing output when using pins other than 10 and 11 with SoftwareSerial library on Arduino Mega

I am trying to run below code on Arduino Mega using GPS module(skg13 bl). It is working fine with pins 10, 11 as rx, tx in the SoftwareSerial but it is not showing output when other pins such as 4, 5 ...
2
votes
1answer
54 views

Data Report Which Technology

I want to create a small position reporter for cars. I found some good GPS Modules with which i could collect data. But i'm unsure with what technology i should send the data. A possibility would be ...
2
votes
1answer
2k views

Galileo Positioning System signal receiving

I want to determine my arduino's position. However, I want to use the European Galileo system instead of the US-American GPS. Therefore, I searched for any possibilities receiving the Galileo ...
2
votes
2answers
1k views

Can I use this cheap GPS module with arduino

For my project I need a GPS module, it should be cheap and I should be able to use it with arduino, after some search I got a product on ebay, I'm a 16 year old school boy and I didn't know that it ...
2
votes
1answer
363 views

Why HDOP in TinyGPS++ is less than 1?

HDOP is supposed to be greater than 1: https://en.wikipedia.org/wiki/Dilution_of_precision_(navigation) But I get HDOP about 0.7. What does it mean? Where can I found explanation of the output ...
2
votes
1answer
775 views

Maintain delay with NEO-6M

Ì am building speedometer with NEO-6M and have some problems with my code. The scenario is that I send some data from our Arduino to another device via a TX pin with a delay of 50 ms. This delay of 50 ...
2
votes
1answer
1k views

How to connect GPS Neo-6M module to GSM Shield SIM900 V2?

I'm doing my final year project, My project is based on "Arduino Real Time Gprs/Gsm & GPS Tracker". So Now I have purchased the hardware components such as: Arduino UNO R3 GSM Shield ...
2
votes
2answers
590 views

Problems reading I2C sensor when using a Xbee module

I'm developing a project where I can control a RC boat with GPS and a magnetometer. How ever, I was developing everything connected to my computer and worked pretty well. When I was going to make some ...
2
votes
1answer
145 views

Arduino GPSlim 236

I'm looking to connect an old GPSlim236 device to my Arduino via serial comms. I have seen references online on how to connect the device but in the data sheet it says TTL level between 3V - 5V. Does ...
2
votes
1answer
150 views

Board recommendations for GPRS/GSM for 'on the go'

I have been tasked to find a way of communicating to a webservice from my microcontroller - yay! With little-no real grasp on sms/etc (due to not ever 'using' it before), it appears that my knowledge ...
2
votes
1answer
645 views

Adafruit gps breakout module help

I am intending to show the initial, searching for signal..., screen until the location is updated and then show the location on the lcd. However, even after the led on the gps indicates a satellite ...
2
votes
1answer
99 views

GPS Module don't provide full data

I connected my gps module (NEO-6M) with esp32doit-devkit-v1 board. The module provided data but many data are missing. My pin configuration: GPS ------- ESP32 VCC ------- 3v3 GND ------- GND TX -...
2
votes
2answers
6k views

DFRobot GPS init error [Arduino Uno, SIM808]

i have problem with initialization DFRobot SIM808 actually when i try to recieve gps data by SoftwareSerial only it does works (i mean examples based on sending and reading command to and from serial'...
2
votes
0answers
672 views

How to use SIM908-C BY UNV shield

I have a shield with a SIM for GSM/GPRS communications and GPS module. As visible in top-left corner its name is "SIM908-C EVB v1.0 designed by UNV". I found some basic information on Arduino forum ...
2
votes
0answers
1k views

Sending GPS data between two Arduinos using Easy Transfer

I'm trying to get GPS data transmitted from one Arduino UNO to a second unit to eventually be displayed on an LCD and stored in an SD card. I am using Xbees S2C's on Xbee Shield's to do this. The ...
1
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2answers
10k views

NEO 6M GPS speed

I am doing a project using a NEO 6M GPS with my Arduino LilyPad. I programmed it already, and it's working well except of the speed. I get stuck on fixing this. I wonder why the value is never getting ...
1
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2answers
1k views

Not getting data from GPS

When I run FullExample program from TinyGPS++, I get following types of entries, Sats HDOP Latitude Longitude Fix Date Time Date Alt Course Speed Card Distance Course Card Chars ...
1
vote
2answers
2k views

Converting human readable date to a unix timestamp [duplicate]

Can anyone provide a sample code that would convert a human readable date like 2019-10-27 22:10:35 to a unix timestamp like 1572214235? I found many topics about it, but they eider refer to out of ...
1
vote
1answer
274 views

How to store u-blox coordinates (lat, lng) values in doubles? [TinyGps++]

I use a u-blox gps with my arduino. I can successfully write out the value of a coordinate (lat, lng) like this: Serial.println (gps.location.lat(), 8); but when I try to store the value with all the ...
1
vote
4answers
522 views

how to get precise value from float variable?

#include <NeoSWSerial.h> //#include <SoftwareSerial.h> #include <AltSoftSerial.h> #include <NMEAGPS.h> NeoSWSerial GSM(2, 3); // RX, TX: Connect TXD to RX & RXD to TX ...
1
vote
2answers
456 views

GPS North? South? East? West?

I'm using the Adafruit SIM808 breakout board to text a GPS link to Google Maps when pinged. My program is mostly working, but the GPS data that I get has no "N, S, E, W" indicators. In addition, I ...
1
vote
1answer
2k views

GSM and GPS shield pin conflict

I have an Arduino GSM shield and I plan to purchase an Adafruit GPS shield. The GPS module uses Pin 7 & 8 for Rx and Tx, but the GSM shield uses Pin 7 for Modem Reset. Will the overlap on pin 7 ...
1
vote
1answer
41 views

Neo 6m outputting something i as a noob can't understand

So i connected my ublox neo 6m gps breakout board GY-GPS6MV2 to the arduino software serial and got this result, i used resistors and only supplied 3.3v to the board, gps encode library couldn't give ...
1
vote
2answers
40 views

double type sensor data is not displayed on bluetooth terminal app on phone

Hi I am working on a project in which I am supposed to tell if a person is running/standing/walking and going upstairs/downstairs or he is on straight road. The person will carry a arduino uno module ...
1
vote
1answer
158 views

GPS showing incorrect speed

I am using Arduino ATmega 2560. When i am using "AT+CGNSINF" command to get GPS value, sometimes it showing incorrect speed. The correct speed should be (50-60)km/h but sometimes it showing (200-300)...
1
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2answers
2k views

Connect Arduino Uno RX/TX to 3.3v NEO-M8N gps module

I'd like to connect an M8N gps module to an Arduino Uno. From what I understand the Arduino pins 0-RX/1-TX work on 5V the M8N RX/TX work on 3.3v the sensor-TX sending to the Arduino-RX should work (...
1
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1answer
459 views

Turning my GPS logger shield off and on

I have a Sparkfun GPS Logger Shield and I want to save power by shutting it off when I do not need GPS readings. Now reading the hookup guide it says that the "EN" pin can do this: "Active-high chip-...
1
vote
1answer
1k views

Where can I find magnetic declination lookup table?

Is there a way to get approximate value of magnetic declination from GPS coordinates? My Arduino-based device has a Magnetometer and a GPS, and uses magnetic declination in calculations. I would like ...
1
vote
1answer
4k views

Arduino SoftwareSerial - can't get data from NEO 6M-GPS module

I am using Mikael Hart's TinyGPS (v.13) library and example code to talk to my module. The LED on the GPS module is lit and flashing which I assume means it is receiving data from the GPS satellites. ...
1
vote
2answers
543 views

Draw polygon on LCD from GPS latitude and longitude

I'm working on a personal project (a usefully tool based on ublox GPS and Arduino Mega that can measure distance between 2 points, compute area, speed, save data on SD card) Now I want to add new ...
1
vote
1answer
4k views

GPRS SIM900 and GPS NEO-6M don't work together

I'm trying to get GPS coordinates and send them to my API through the GPRS SIM900 and GPS NEO-6M shields. In setup(), I first start the GPRS shield and call the function that connects to the internet....
1
vote
3answers
1k views

FIFO overflow - reading IMU MPU6090 and GPS uBlox NEO-6M at once

I am trying to read data from uBlox NEO-6m (I need just speed, just part of the code): #include <TinyGPS++.h> #include <SoftwareSerial.h> static const int RXPin = 7, TXPin = 4; static ...
1
vote
2answers
2k views

uBlox LEA 6H and UNO no data

While using NEO 6M and getting close-to-perfect accuracy, connecting the 3dr uBlox LEA 6H shows incoming characters, but gibberish data (at 38400) like it is connecting to a wrong baud rate (although ...
1
vote
1answer
45 views

Any way a GSM sim 900 can still work (USA)?

so I’m pretty new to arduino and have been working for weeks on a GPS tracker using a sim 900 and a knock off neo 6M. All my code seemed to be working but for some reason I could not get the sim900 to ...
1
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1answer
32 views

DFRobot GSM / GPS shield with UNO init error

Apologies, but I have little experience of Arduino etc. Has the "Sim808 init error" been resolved anywhere please? I have tried every example I can find including the ones on these ...
1
vote
1answer
45 views

What pins to use on a Teensy to get data from multiple peripherals?

I'm using a Teensy to keep records on the location, speed, altitude, and direction of a weather balloon I'm hoping to launch. I have an Adafruit LSM9DS1 and a Ublox NEO-M8N with compass (HMC5833L) so ...

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