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I am trying to build a GPS tracker. I need to send the data from GPS sensor on the arduino uno board to cloud directly i.e. without sending it via PC or mobile. Is it possible and if yes, HOW?

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    GSM module...? Or does that equate to "mobile" for you? – Majenko Mar 18 '18 at 10:41
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    use an esp8266 and a router. – dandavis Mar 18 '18 at 12:49
  • The best way of sending data straight to a cloud will be by laser.:) You can use any method of networking that is applicable to your situation, ESP8266 is probably the best as @dandavis says, but also there is Ethernet. If you allow yourself a receiving stations then blue tooth, IR and RF are also possibilities. – Code Gorilla May 18 '18 at 12:13
  • Another option is an Arduino board that has built-in wifi hosting, e.g. Arduino MKR1000 store.arduino.cc/arduino-mkr1000 – MichaelT Jul 17 '18 at 18:29
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To connect to the cloud directly while the tracker is on the move, you'll need to use GSM & GPRS technology, ie. a SIM card to make a 3G/4G connection to the Internet. GSM gets you connected, GPRS does the Internet traffic. Using WiFi to connect to a router won't work since you'll soon get too far from the router.

I suggest initially investigating the SIM908 and SIM800L (there are others).

Here are 2 projects which both use the SIM908 (GSM, GPRS AND GPS):

Geolocation Tracker (GPRS + GPS) with SIM908 over Arduino and Raspberry Pi

Where is my car? Realtime GPS+GPRS Tracking of Vehicles Using Arduino

The cheaper SIM800 is also popular GPRS/GSM module (no GPS capability, but you already have that?):

QUICKSTART SIM800 (SIM800L) WITH ARDUINO

This technology is moving quickly, so you may find better options, for instance see:

Difference between SIM908 vs SIM808 modules

Hope this helps, Regards, Geoff

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Arduino UNO is a micro controller without any internet communication. In order to send data to the cloud, you need to have an internet connection (meaning TCP/IP stack).

In regards with your project, there are 2 major solutions:

  1. Store all data locally on EEPROM (if not too much data because there is only 1KB on the Arduino Uno) or an external flash memory (there are some modules and libraries for this). When the Arduino is connected, you send over all the data to the cloud.
  2. Send the data while data are collected.

In both case, you need an internet connection that could be managed by a wifi module or a GPRS module depending on your needs.

For the wifi module, the ESP8266 is a popular and cheap choice. You will find a lot of documentation on Google.

For the GSM/GPRS module, I suggest the SIM800L which is cheap and easy to use (there is a HTTP/S stack embedded on the module).

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Not with a UNO alone, the UNO obviously needs internet connection either via a LAN shield, a Wi-Fi unit (ESP8266) or a GSM unit. Since you are GPS tracking then a GSM unit is most suited.

Particle Electron GPS receiver (Location plotted on Google Map) https://www.brianmoreau.com/projects/particle-electron-gps-receiver/particle-electron-gps-receiver.php

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