[OLPC library] Get involved - Measure Activity on the XO (Edward Cherlin)

John johnstout at aol.com
Thu Apr 10 13:32:35 EDT 2008

Students at Colorado School of Mines cobbled together a thermister to  
gather temperature data for their LEGO computer. I suppose all that  
would be needed when Measure is interfaced with USB, is a connector  
for Measure to do calibrations on the XO?

Sent from John's iPhone

On Apr 10, 2008, at 10:51, "Arjun Sarwal" <arjun at laptop.org> wrote:

> On Thu, Apr 10, 2008 at 10:11 PM, Langellier, Larry
> <Langellier at morainevalley.edu> wrote:
>> Ed's post reminded me to ask a question I've been wondering about:
>>> I wrote a report some years ago under the title Personal  
>>> Instruments,
>>> talking about digital oscilliscope boards for PCs, inexpensive
>>> instruments, and data visualization and analysis software.
>> Has anyone tried to hook up a Scratch Board (http://scratch.wik.is/Support/Scratch_Board 
>> ) for use with Measure? Can Measure be modified to get input from a  
>> USB port?
> The scratch board is great. However Measure allows one to do the same
> things by plugging in sensors costing about $1 or $2, while the
> scratch board costs $25.
> Measure, currently has no support for USB interfacing, but I'm sure it
> can be done.
> Edward Baafi of the Fablab has made a $2 sensor board that plugs into
> the USB and is installed like a USB-keyboard and continuously sends
> sensor values from the values sampled off the 3 ADC channels of the
> AtTiny micro controller that he's used.
> Any suggestions for Measure and sensors are most welcome.
> kind regards
> Arjun
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