Raspberry Pi Powered Cat _ Human Feer
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Snack Dispenser139.9939.99Works great, might be able to use others as well.http://www.containerstore.com/shop/kitchen/foodStorage/specialty?productId=10029939&N=74066
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Raspberry Pi13535Get it from Adafruit or Newarkhttp://www.newark.com/raspberry-pi/raspbrry-modb-512m/model-b-assembled-board-only/dp/43W5302
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Wifi Adaptor155search ebay or amazon for "RT5370"
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Adafruit Small-Size Perma-Proto Raspberry Pi Breadboard PCB Kit14.954.95Adafruit small board (they have a larger board too that might work)http://www.adafruit.com/products/1171
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Continuous Rotation Servo21428http://www.adafruit.com/products/154
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Pin Headers for the Servos133Just need to clip them down to size- could also use anything with at least 3 pins and clip it to lengthhttps://www.adafruit.com/products/400
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Hookup wire18.498.49Radio Shack, or other electronic storeshttp://www.radioshack.com/product/index.jsp?productId=2049745
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380 Ohm Resistors40.050.2http://www.makershed.com/Make_1_4_Watt_Resistor_Kit_365pc_p/mkee4.htm
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10 Watt 5V USB Power supply155Could use a 7805, or as I did, find a higher output USB charger. This is needed to drive the servos, or else you will get power cycles and kernel panics.http://www.amazon.com/USB-Power-Adapter-10-Watt-iPhone/dp/016642966X/ref=sr_1_1?ie=UTF8&qid=1364498917&sr=8-1&keywords=usb+power+adapter+10+watt
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Piezo Buzzer13.993.99Optional, but gives audible feedback.http://www.radioshack.com/product/index.jsp?productId=2062397
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Switches with LEDs for manual feeding24.999.98Also optional, and could just use a momentary switch, but this looks cool. Replaced the 12V Lamp with an LED for long term goodnesshttp://www.allelectronics.com/make-a-store/item/LPS-1W/12V-LIGHTED-PUSHBUTTON-1-WHITE-LENS/1.html or http://www.adafruit.com/products/492 or http://www.adafruit.com/category/35_72
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LEDS of your choice20.250.5
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PVC pipe for feeder nozzles21.653.3Any home improvment store.
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Zipties80.050.4Generic zip ties that hold the servos in place. Many hardware stores have these things.
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Duct Tape10Just in case something doesn't hold. ;)
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Heat shrink tube100This goes over the resistors so that you don't short them to anything else.
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Total147.8
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