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tutorials:iotc [2012/03/12 21:19]
pburgess [Make It!]
tutorials:iotc [2016/01/28 18:05] (current)
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 ====== An “Internet of Things” Camera====== ====== An “Internet of Things” Camera======
-**Simple remote monitoring using the Eye-Fi wireless SD card and Adafruit Data Logging Shield for Arduino**+**Simple remote monitoring using a first-generation ​Eye-Fi wireless SD card and Adafruit Data Logging Shield for Arduino**
  
 ===== Introduction ===== ===== Introduction =====
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 {{ :​tutorials:​iotc:​gui.png?​nolink&​ |}} {{ :​tutorials:​iotc:​gui.png?​nolink&​ |}}
  
-The camera project didn’t require any major engineering effort, but rather was a simple “mash up” of existing elements — a perfect example of the //​sketching//​ principle of Arduino. Being Arduino-based,​ it’s also easy to tweak…say if you’d like a time-lapse camera rather than motion sensing. Let’s see how it’s put together!+The camera project didn’t require any major engineering effort, but rather was a simple “mash up” of existing elements — a perfect example of the //​sketching//​ principle of Arduino. Being Arduino-based,​ it’s also easy to tweak…say if you’d like a time-lapse camera rather than motion sensing, or to hack in sensors such as a laser “trip wire.” Let’s see how it’s put together!
  
 ===== Parts and Software Lists ===== ===== Parts and Software Lists =====
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   * TTL Serial JPEG Camera (either the [[https://​www.adafruit.com/​products/​397|bare board]] or [[https://​www.adafruit.com/​products/​613|weatherproof version]])   * TTL Serial JPEG Camera (either the [[https://​www.adafruit.com/​products/​397|bare board]] or [[https://​www.adafruit.com/​products/​613|weatherproof version]])
   * [[https://​www.adafruit.com/​products/​85|Shield Stacking Headers for Arduino]] make it easier to change the wiring around as needed   * [[https://​www.adafruit.com/​products/​85|Shield Stacking Headers for Arduino]] make it easier to change the wiring around as needed
-  * [[http://​www.eye.fi/​|Eye-Fi wireless SD card]] (any model)+  * Eye-Fi wireless SD card (any model).
   * A suitable power supply: either a [[https://​www.adafruit.com/​products/​63|9V 1A wall adapter]]…or,​ for standalone wireless use, our [[https://​www.adafruit.com/​products/​248|6-cell AA battery holder]] is best. For the smallest possible package, a [[https://​www.adafruit.com/​products/​14|MintyBoost]] can also work, but provides only about two hours’ run time.   * A suitable power supply: either a [[https://​www.adafruit.com/​products/​63|9V 1A wall adapter]]…or,​ for standalone wireless use, our [[https://​www.adafruit.com/​products/​248|6-cell AA battery holder]] is best. For the smallest possible package, a [[https://​www.adafruit.com/​products/​14|MintyBoost]] can also work, but provides only about two hours’ run time.
   * The usual electronic project bits and bobs: wire, soldering tools, etc.   * The usual electronic project bits and bobs: wire, soldering tools, etc.
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   * [[https://​github.com/​adafruit/​Adafruit-VC0706-Serial-Camera-Library|VC0706 Serial Camera Library]] (required)   * [[https://​github.com/​adafruit/​Adafruit-VC0706-Serial-Camera-Library|VC0706 Serial Camera Library]] (required)
   * [[https://​github.com/​adafruit/​RTClib|Realtime Clock Library]] (required)   * [[https://​github.com/​adafruit/​RTClib|Realtime Clock Library]] (required)
-  * [[http://​code.google.com/​p/​sdfatlib/​downloads/​detail?​name=sdfatlib20111205.zip&​can=2&​q=|SdFat Library]] (optional, but includes the SdFormatter sketch, highly recommended) 
   * [[http://​support.eye.fi/​downloads/​|Eye-Fi Center configuration software]] for PC and Mac (not Adafruit code — please contact Eye-Fi tech support for any help or issues with this software)   * [[http://​support.eye.fi/​downloads/​|Eye-Fi Center configuration software]] for PC and Mac (not Adafruit code — please contact Eye-Fi tech support for any help or issues with this software)
  
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 {{ :​tutorials:​iotc:​jumpers.jpg?​nolink&​ |}} {{ :​tutorials:​iotc:​jumpers.jpg?​nolink&​ |}}
  
-Pins 5 and 6 are then connected to the red and green LEDs on the Data Logging Shield. The finished setup resembles the following (with solder connections between adjacent components being made on the back of the board):+Pins 5 and 6 are then connected to the red and green LEDs on the Data Logging Shield. The finished setup resembles the following (with solder connections between adjacent components being made on the //back// of the board):
  
 {{ :​tutorials:​iotc:​wiring.png?​nolink&​ |}} {{ :​tutorials:​iotc:​wiring.png?​nolink&​ |}}
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 Before proceeding any further, back up any data you might currently have on your Eye-Fi card. Just in case there’s some bug that’s been overlooked in the sketch, I’d hate to be the one to clobber your priceless irreplaceable wedding photos. So please, PLEASE back that up first! Before proceeding any further, back up any data you might currently have on your Eye-Fi card. Just in case there’s some bug that’s been overlooked in the sketch, I’d hate to be the one to clobber your priceless irreplaceable wedding photos. So please, PLEASE back that up first!
  
-The Data Logging Shield requires that the card be properly formatted. Some cameras and operating systems use a bit of “artistic license” when formatting SD cards, and the shield can’t always read or write these. ​The best solution is to use the SdFormatter sketch [[http://​www.adafruit.com/​forums/​viewtopic.php?​f=31&​t=20861|as described in this forum thread]]…or jump right to the [[http://​code.google.com/​p/​sdfatlib/​downloads/​detail?​name=sdfatlib20111205.zip&​can=2&​q=|download for the SfFat library and SdFormatter sketch here]].+The Data Logging Shield requires that the card be properly formatted. Some cameras and operating systems use a bit of “artistic license” when formatting SD cards, and the shield can’t always read or write these. ​You might need to borrow a friend’s more recent digital camera to format ​the cardRecent versions of both Mac OS X and Windows 7 seem to handle this better ​as well; with the latter, select FAT32 with a 32K allocation block size when formatting.
  
 With the card connected to your computer though a USB reader, you can then use an application downloaded from the Eye-Fi web site to configure it for access to your wireless network and select various settings for how and where you want images transferred. Once configured, if you have a digital camera, test it with that first. When the digital camera setup is known working and images are being transferred as expected, you can erase the images on the card and move it over to the Data Logging Shield. With the card connected to your computer though a USB reader, you can then use an application downloaded from the Eye-Fi web site to configure it for access to your wireless network and select various settings for how and where you want images transferred. Once configured, if you have a digital camera, test it with that first. When the digital camera setup is known working and images are being transferred as expected, you can erase the images on the card and move it over to the Data Logging Shield.
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 Next, upload the EyeFi sketch, then re-install the jumpers between pins 0-2 and 1-3. You can then either press the reset button to start the sketch, or disconnect from the computer and attach a power adapter or battery. Next, upload the EyeFi sketch, then re-install the jumpers between pins 0-2 and 1-3. You can then either press the reset button to start the sketch, or disconnect from the computer and attach a power adapter or battery.
  
 +**If using the latest Eye-Fi “X2” cards, you'll need to enable this one extra line in the sketch (it’s commented out by default)…around line 122:**
 +
 +  SD.enableCRC(true);​
 ===== Use It! ===== ===== Use It! =====
  
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