GPS logger is super small and light

GPS logger is super small and light

Posted on 23. Apr, 2009 by in Sensors

When you need to read and log a device's location via GPS, things can get complicated very quickly. There's arcane things needed like high frequency radio receivers, complicated triangulation calculations, and other thing generally beyond the ability (or desire) of someone just wanting to build a project. That's why using a pre-made GPS module is so handy for both the hobbyist and professional project builder.

The new Venus GPS logger electronics module from SparkFun is an advanced, tiny board that contains everything needed to receive and process the GPS signals, along with memory to log coordinates over time. The onboard memory will log up to 32Mb of location history at up to ten samples per second. Additionally, you can read the GPS output directly via a serial link to your microcontroller or other processor.

Some features of the Venus GPS logger include:

  • 51 channel acquisition and 14 channel tracking
  • SkyTraq based chipset
  • 10Hz max update rate (1Hz default)
  • Integrated LNA
  • Single 2.7-3.3V supply
  • 3.3V TTL UART
  • 32Mbits of flash space
  • Power: 28mA tracking
  • Sensitivity: -161dBm
  • Accuracy: <2.5m
  • Hot start: 1 Seconds
  • Cold Start: 29 Seconds
  • Supports active or passive antennas
  • Supports SBAS (WAAS, EGNOS, MSAS)

Not bad, huh? The SparkFun GPS Logger module is about $60 and will surely save you many headaches trying to build your own GPS receiver!

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