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Hello All!

Since my son (6) has a school project, I figured I could "trick" it out a bit (and use it as an excuse to my wife to buy an Arduino).  Unfortunately the project is due next week and I don't know a lot about the Arduino.  Normally I would spend hour upon hours reading up on stuff, but my time is kinda-limited.  Perhaps you can help?  I'm looking to keep things relatively low cost, but I would like to re-purpose everything for a many yet to be determined projects.  For this project I would like to add a motion sensor to my son's dinosaur diorama and have it growl when you approach it.  So my questions are:

1. Do you have any suggestion for which Arduino and what parts to get?
2. Do you know of any examples that might help me with my project?

Much Appreciated!
« Last Edit: January 29, 2013, 08:03:18 am by Sulsa » Logged

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Hi,
welcome to the community.

What you want to do is a distance measurement to get something happening.

First you want to measure distance. May this chapter helps http://playground.arduino.cc//Main/InterfacingWithHardware#DistanceSensing

The you may want switch an existing unit that growls with a transistor. May this helps http://arduino.sundh.com/2011/10/transistor-controls-other-power-source/
You can use any Arduino for that job pending on how small the unit shall be. May the best is to buy a arduino uno with a prototype shield...that's always a good starter.
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I don't think you connected the grounds, Dave.
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You could use a PIR motion detector.
There are wave shields to play back the sound effects.
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Quote
my son (6) has a school project

becomes....

Quote
help me with my project

 smiley-eek
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Thank you all for your help. I got an Arduino Uno in transit!
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Welcome, and have fun....

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