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SparkFun GPS Logger Shield
project on
hackster.io project

Detector de incêndio Florestal Inteligente
by Argel Enriquo Galante

Description: The SparkFun GPS Logger Shield equips your Arduino with access to a GPS module, µSD memory card socket, and all of the other peripherals you’ll need to turn your Arduino into a position-tracking, speed-monitoring, altitude-observing wonder logger. The shield is based around a GP3906-TLP GPS Module – a 66-channel GPS receiver featuring a MediaTek MT3339 architecture and up to a 10Hz update rate. The GPS module will stream constant position updates over a simple TTL-level serial port, which you can then log to a µSD card and/or use for other purposes.

Everything on the shield is highly configurable: A switch allows you to select the GPS module’s UART interface between either hardware or software ports, the µSD card operates over a hardware SPI port, which should be compatible with most Arduino layouts, and extra prototyping space should allow you to add those last, few components you need to complete your project. The GPS Logger Shield’s main voltage supply is taken from the Arduino 5V header pin. This voltage is regulated down to 3.3V, which is supplied to both the GPS module and the µSD card. These two components should consume, about 30mA on average, but they may very occasionally spike to around 100mA. We also highly recommend a 12mm Coin Cell Battery, which fits into the GPS Shield’s battery holder.

Note: The shield does not come with headers installed; we recommend the Arduino Stackable Header Kit.


  • On-Board GP3906-TLP GPS Module
  • 12mm Coin cell battery socket
  • µSD memory card socket
  • Standard Arduino sized shield
  • Prototyping area
  • GPS Module Pins Broken Out
  • Arduino reset button
  • UART switch controls serial communications


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Customer Comments

  • Why not pick a GPS module that has external antenna input with a uFL connector? Limits your application possibilities to just use the module’s antenna.

  • Is there an arduino board this is supposed to fit snugly on? On my uno R3 it gets blocked by the USB port, and on my redboard by the power port. I have extra tall headers so its not a big problem, just seems like it should be able to sit snugly

  • I’m stepping my game with arduinos and now I am looking to 3,3V arduino. Unfortunately, I found that most of the shields (like this one) use 5V as main. Is there any tutorial to hack this shields to be fed with 3,3V?

    • This shield is made to be compatible with most 3.3V or 5V Arduinos - I bet yours’ll work. The board takes its power in from what is usually the Arduino’s 5V pin. But even if your Arduino has 3.3V there, that should still be enough to feed the 3.3V LDO regulator on-board.

      You’ll also need to make sure the IOREF pin is tied to 3.3V as well. Or, if your Arduino doesn’t have an IOREF pin, you can set the IOREF jumper to 3.3V on the shield. There’s more info in this section of the hookup guide.

      • Thanks for the replay. Actually I’m working with a Redboard and looking to 3.3V arduino pro since the majority of the sensors that I’m working with are 3.3V.

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Related Tutorials

GPS Logger Shield Hookup Guide

February 11, 2016

How to assemble and hookup the SparkFun GPS Logger Shield. Never lose track of your Arduino again!