I must have missed it if there was any comment on it, but Claudia Urrea
has been working on sensors for many years already -
She was kind enough to show me a box with several ready to use sensors
the time I was in OLPC headquarters in Boston, like 3 years ago?
As the head of the education dept of OLPC (unsure if that is still the
case or the actual title) no doubt she can contribute detailed and
proven lesson plans that teachers have used successfully, full reports
on the use of sensors, in the field, in OLPC deployments.
On 10/12/2012 10:19 PM, Mike Lee wrote:
Hi,
Looking forward to being in SF! I'm not ready to sit down for a sensor
session, but here's a historical bit...
I found one of XOExplosion.com's temperature sensor kits from 2008 and
just posted photos and their parts list to Flickr:
http://www.flickr.com/photos/curiouslee/sets/72157631756048008/with/8081515681/
Plan Ceibal's handout is a nice update of the wiki page:
http://www.reducativa.com/xo/man-sis-sensoresdetemperatura.pdf
I'll bring the kit. It looks like an assortment of heat shrink tubing
is needed along with basic soldering supplies. I typically use a heat
gun on shrink tubing, but a BIC lighter is quick and easy. You might
want to check with Sameer if it's OK to use one of those. I think this
video by Becky Stern of Adafruit demonstrates soldering in a snappy way:
http://youtu.be/yZkz_a52I6s?t=1m18s
Looking at some of the sensor documentation for Turtle Art, it looks
like the use of a thermistor with two leads simplifies the assembly a
bit, but the addition of a resistor or zener diode are suggested for
XO-1.5 and XO-1.75.
Guzman's video of temperature graphing in Turtle Art is awesome. Are
these project files available anywhere? Looking at his video surfaces
the fact that there's much more to the sensor exercise than just
soldering:
- Source parts and assemble the desired sensor
- Test (and calibrate?) with the particular model of XO
- Test with a specific project file for Turtle Art w/sensors, Scratch
w/sensors, Physical Etoys, etc.
- Create updated documentation and devise lesson plan ideas
I messed around with the temperature sensor briefly back in the
simpler times of 2008. Now the solution matrix has grown quite a bit.
Mike
On Fri, Oct 12, 2012 at 12:40 PM, Steve Thomas <[email protected]
<mailto:[email protected]>> wrote:
Unfortunately I will not be in SF, but I am very interested in
Sensors.
Perhaps I can attend or see the final results if you do
presentations via Google Hangout?
I hope to be going to Haiti next March and plan to bring some
lessons and an "engineering challenge" around the kids/adults
building Solar Stills. So temperature and humidity sensors would
be good. I would also be interested in ones we can hook in
through an arduino (like the versions C. Scott Ananian designed)
for data collection.
Thanks,
Stephen
On Fri, Oct 12, 2012 at 12:06 AM, Caryl Bigenho
<[email protected] <mailto:[email protected]>> wrote:
Hi Folks, It's crunch time!
STEM, SET, SCIB... no matter what you call it, the world is
focusing more and more on science and technology in education.
The XO is an ideal platform for furthering science education
through hands-on student based experiments that will teach
and/or reinforce science concepts from core curriculums. It is
a perfect use of the XO for any deployment.
So far the following people have shown interest in doing
something with sensors at the SF Summit and/or Sugar Camp.
Tony Anderson, Janissa Balcomb, Ed Bigenho, and myself. Also,
it is possible Nick Doiron and/or Alex Kleider can help us
with the building.
Surely there must be more of you that are interested in this!
The plan is to make the sensors early on, maybe in free time,
maybe at the Noisebridge makerspace, maybe at the Summit
itself. That way, folks who aren't staying over for Sugar Camp
will have the sensors to take home with them. Those people
who are able to stay past Sunday will have a chance to
experiment with the sensors and find ways to use them in
science lessons, probably focusing on upper elementary to
middle school science. These ideas will be shared with all who
are interested, principally on the SugarLabs wiki.
Sensors we will probably build will include temperature,
light, and possibly one or two others. Once we know how to
build and use them, it should be fairly easy to transfer what
we learn to building others once we are home.
If you want to be a part of this, I need to know in time to
get the supplies for you. I plan to make a trip to a large
electronics store in the San Fernando Valley next week to
purchase the parts we will need. Their prices are excellent
and they will sell small quantities if needed. My best guess
is that most sensors can be made for $5 or less... maybe much
less. That means your investment for one each of 4 different
sensors would be $20 or less.
So... what I need to know is...
Do you want to be included in this project?
If yes, /what days/dates / will you be in SF and what part of
town are you staying in?
What sensors besides light and temperature are you interested
in building?***
Ideally, how many sets of parts for each sensor would you like
me to get for you? I don't have an endless pot of money and
expect to be reimbursed, but I can probably put enough into
this for everyone interested to have at least one of each,
maybe more.
I will be making my shopping list for this over the weekend,
so don't delay in making up your mind!! Just send me a reply
to this email with your "reservation" and info.
Hope to see you in SF.
Caryl (aka SweetXOGrannie or GrannieB)
*** If you missed or misplaced the links to into about
sensors, here is a list from the SugarLabs wiki and a link to
a series of videos make by Trinidad Guzman who makes and uses
a lot of sensors with his students in Uruguay. The narration
is in Spanish, but if you know any science no language is needed!
http://wiki.sugarlabs.org/go/Activities/Turtle_Art/Using_Turtle_Art_Sensors
http://www.youtube.com/user/guzmantrinidad?feature=watch
_______________________________________________
IAEP -- It's An Education Project (not a laptop project!)
[email protected] <mailto:[email protected]>
http://lists.sugarlabs.org/listinfo/iaep
_______________________________________________
IAEP -- It's An Education Project (not a laptop project!)
[email protected] <mailto:[email protected]>
http://lists.sugarlabs.org/listinfo/iaep
_______________________________________________
IAEP -- It's An Education Project (not a laptop project!)
[email protected]
http://lists.sugarlabs.org/listinfo/iaep
_______________________________________________
IAEP -- It's An Education Project (not a laptop project!)
[email protected]
http://lists.sugarlabs.org/listinfo/iaep
