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Have a question about Arduino? Ask me!

sciguy14

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Jeremy Blum

Jeremy is an Electrical and Computer Engineering Student at Cornell University. He has been building microcontroller projects since high school, from a prototype prosthetic hand with a novel control scheme, to a nerf gun that fires at the intruders and uploads their picture to the web.
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  • Hi Jeremy. Im new to arduino technology and I want to embark myself upon a project.

    I want to read the data from two accelerometers(x,y coordinates) and send this data wirelessly to an arduino board. I currently have two solutions:

     

    1) One solution is to attach attach an Arduino to the object, and using an XBee shield to send data  from the accelerometer to another Arduino (or desktop machine)

    2) Another solution proposed by a fellow engineer was to connect the accelerometers to an XBee antenna,

    then having your Arduino paired with an XBee shield to receive data. Is that possible?

     

    I personally like solution number 2 the most because space is an issue in this project.

    Do you think there is a better approach to this problem? What advise would you give me?

     

    2) What arduino board do you suggest I should buy first in order to start developing this project. I have seen many arduino

    boards, but im unsure which one to buy.

  • in reply to e14 Contributor

    Which board you get depends mostly on the space you have available.  You'll need to choose a balance between features and physcal size.  Using the XBee alone would be a good solutions ,since you wouldn't need an arduino on both ends that way.

  • in reply to sciguy14

    IF i only use te Xbee antenna hooked up to the accelerometer, is there a speacial  program for the Xbee to display the data on the computer?

    what programming language would i be using to write te software i need for tis system? (i know java, c, c++)

     

    2) can i use an accelerometer to measure the force applied to a surface? ( i know there are force/pressure sensors but I'm trying to use few hardware components)

  • in reply to e14 Contributor

    XBees have the ability to transmit signals from a few digital I/O lines.  You would just need to feed those same lines into an arduino on the receiving end, then hook that arduino up to the computer via serial.  You can write the computer software in any programming language that can talk to a serial port.

     

    I can't think of a way to use an accelerometer to measure surface force.

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  • in reply to e14 Contributor

    XBees have the ability to transmit signals from a few digital I/O lines.  You would just need to feed those same lines into an arduino on the receiving end, then hook that arduino up to the computer via serial.  You can write the computer software in any programming language that can talk to a serial port.

     

    I can't think of a way to use an accelerometer to measure surface force.

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