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Build a datalogger for your wireless sensor network

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Build a datalogger for your wireless sensor network salamandersensors writes –

We needed a datalogger that provided a timestamp, and that would last 2 weeks in the woods. Using a laptop would require a generator or humongous battery. This Instructable shows how to make a datalogger from an Arduino and datalogger shield connected to a TelosB wireless sensor board and a battery that is large, but not wheelbarrow large. Your data goes onto a SD memory card on the datalogger for pickup later (whenever you have to change the batteries on all the wireless radios in your network, for example). The main challenge is getting the serial signal out of the TelosB before it gets translated into USB. We could probably have reprogrammed the TelosB to output the serial on another pin, but why program when you can solder?


Datalogshield Lrg-1

Adafruit Data logging shield for Arduino – v1.0 – Here’s a handy Arduino shield: we’ve had a lot of people looking for a dedicated and well-designed data logging shield. We worked hard to engineer an inexpensive but well-rounded design. Not only is it easy to assemble and customize, it also comes with great documentation and libraries.

You can get going quickly – saving data to files on any FAT16 or FAT32 formatted SD card, to be read by any plotting, spreadsheet or analysis program. We even have a tutorial on how to use two free software programs to plot your data
The included Real Time Clock timestamps all your data with the current time, so that you know precisely what happened when!

Please note that this item does not come with an Arduino (you’ll need one to use with the shield), or an SD card. It does come with the RTC battery, however. The kit is un-assembled, You’ll need some basic soldering skills to put it together, but even if you don’t have much experience you can get it done in under 1 hour.

  • SD card interface works with FAT16 or FAT32 formatted cards. 3.3v level shifter circuitry prevents damage to your SD card
  • Real time clock (RTC) keeps the time going even when the Arduino is unplugged. The battery backup lasts for years
  • Included libraries and example code for both SD and RTC mean you can get going quickly
  • Prototyping area for soldering connectors, circuitry or sensors.
  • Onboard 3.3v regulator is both a reliable reference voltage and also reliably runs SD cards that require a lot of power to run
  • An Arduino with a ‘328 chip is pretty much required, you can get an upgrade chip from us if you have an older Arduino (such as NG/Diecimila)

For more information, including libraries, schematics and examples see the data logger shield webpage


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