welcome to the 1 st interactive science and technology open house at george school!
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Chris Odom www.basicxandrobotics.com [email protected] George School, Newtown, PA. Welcome to the 1 st Interactive Science and Technology Open House at George School!. Session I. Introductions with personal/professional backgrounds - PowerPoint PPT PresentationTRANSCRIPT
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Welcome to the1st Interactive Science and Technology Open House
at George School!
Chris Odom www.basicxandrobotics.com
[email protected] School, Newtown, PA
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Session I• Introductions with personal/professional backgrounds• A plea for interactivity – too much material to cover• A Brief History of Computer Science at GS• The Evolution of Robotics Education at GS• What We Do Now• A Roundtable Discussion
– Success stories– What’s possible with robotics education
• The Future
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A Brief History of CS at GS• The skill-level of the GS student• Desktop programming: Database applications• Desktop programming: Student driven applications• Kylan Turner, Brian Patton, Max, and ESRA• The birth of robotics at GS and the need for a textbook• Aim: Have fun with solid math and science education• Taking math and science for granted
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Evolution of RoboticsEducation at GS
• The bumps and bruises of the early years• The transition from teacher-centered to student-centered• The role of the teacher, student, textbook, website• How to skip around• Challenge Problems• The benefits of peer instruction• The role of competitions and collaborations• From technical to creative: building on simple tasks• The cost: Individual purchases vs Classroom Packs
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BasicX and Robotics Student Progress 2006-7
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31-Aug 10-Sep 20-Sep 30-Sep 10-Oct 20-Oct 30-Oct 9-Nov 19-Nov
Date Completed
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JimmyClaytonSamToriAndyAndrew LewRyanCliffOwenDrewChrisAnnieGregMichael
A Self-paced Curriculum
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The BX-24 microcontroller• The BX-24 is a 24-pin
microcontroller made by NetMedia
• Small and Fast• Floating-point math• 16 I/O pins (8 built-in A-to-D
converters)• EEPROM storage
• About $45• Programmed with BasicX, a high-level language
compatible with Visual Basic. BasicX is free.
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Exciting TechnologyThe BX-24 can be used to:• Autonomously control nearly any mechanical device
such as robots, vehicles, airplanes, vacuum cleaners, etc.
• Output electrical signals to (thereby controlling) motors, speakers, LCD panels, lights, LEDs, etc.
• Read data such as temperature, light intensity, magnetic field strength, force, distance, flame (IR), conductivity, etc.
• Record data in space, underwater, your back yard
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Personal Computer vs BX-24
The PC:• Is faster• Has more computing power• Is larger, heavier and therefore more stationary• Is more expensive• Is dependent on AC power• Is better suited for gaming and desktop programming
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Why BX-24?
The BX24:• Is smaller and therefore transportable• Is cheaper• Has no moving parts: data a programs are burned in to
the chip. Can be removed from power• Runs on a 9V battery• Is better suited for remote and mobile applications• Students love it!
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Creating a Program• The program is written on the PC
in the BasicX language • BasicX can be downloaded for free
at www.basicx.com• The code is saved as a simple text
file. (New programs start with a blank page.)
• When the program is ready to run, simply press one button to compile the program into a language the BX-24 can understand
• The compiled program is sent to the BX-24 via a serial cable
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The Robodyssey Motherboard• Robodyssey Systems in
Trenton, NJ designed and sells the RAMB
• Makes programming the BX-24 easy
• About $45• Could do it yourself but why?
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Walking RobotsWheeled Robots (My students use the Mouse)
Expressive Robots(ESRA)
Kits
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Just Toys?• Fun, but not a toy• Learn a real computer language• Learn logic skills• Learn electronics• Research universities are now using the BX-24 to teach
computer science• Microcontrollers allow the average person to do what
only NASA could do just a few years ago• Springboards into other “serious” fields such as
electronics, aerospace engineering, manufacturing, automotive and medical applications, etc.
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BasicX and Robotics• Textbook written for novices and
beginners ages 12 and up (especially for high school and college)
• Only one of its kind• A teacher by your side to walk you
through material• Over 300 problems and 400 full
color images. 365 pages.• A complete and rich curriculum• $44.95 textbook• Who has it?
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http://www.us.playstation.com/News/Editorials/38
Retail $499 (20GB), $599 (60 GB)
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Robots in Action
• Tori’s Morse Code– Brute force vs. elegance
• Robot Dance– Art in motion
• Line Following Mouse– Not dead-reckoning but not so smart
• Follow Me– A bit smarter, but still constrained
• Obstacle Avoidance/Tabletop Rover– Human & robot intelligence are
required• Clean Sweep with Live Video!
– Smart and useful (sort-of)• Thor: Firefighting Robot
– Smart and useful (sort-of)
• ESRA Expressive robot– Used in psychological research
labs across the country including Yale
– Autistic research in high school?• The Roach
– A walking robot• RoboSapien Hack
– Brain surgery• The E-Bot and Crawler
– H-bridge technology• RC Toys and Car Hack
– H-bridge technology• Robot Soccer Junior
– 2050 Challenge• Mini Grand Challenge
– 2015 Congressional Mandate
Let’s take a look at a few robots controlled by the BX-24.
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Scientific and Other BX-24 Apps
• Relays– The itty-bitty BX-24 can control household
appliances
• Spirit II– The BX-24 takes GS payload into space
• Environment Sensing Station– Inexpensive, robust, remote in situ data
collecting
• Helium Balloon Payload– Another in situ scientific platform
Robotics isn’t all that the BX-24 can do. Take a look:
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It can be rocket science!In 2003, NASA, Penn State, and Clemson University launched a Terrier-Orion rocket from Wallops Island, Virginia. The rocket, part of the SPIRT II campaign, was in space for about 10 minutes and experienced nearly 20-G’s during liftoff.
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SPIRIT II Payload• George School physics and
robotics students designed an experiment that flew onboard that rocket.
• A BX-24 and RAMB motherboard were used to measure the forces of liftoff and any changes in temperature within the payload.
• The experiment cost less than $100 (the force sensors cost 4¢ each) and returned excellent data.
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SPIRIT II Results
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Environment Sensing
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Environment Sensing Data
See www.basicxandrobotics.com/apps/Environment%20Sensing%20Station/index.html
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Environment Sensing Data
See www.basicxandrobotics.com/apps/Environment%20Sensing%20Station/index.html
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Environment Sensing Data
See www.basicxandrobotics.com/apps/Environment%20Sensing%20Station/index.html
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Balloon Research on the Cheap
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Balloon Data
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Balloon DataHeating During Ascent
T = -253982t2 + 353465t - 122950R2 = 0.9705
25.0
26.0
27.0
28.0
29.0
16:36 16:37 16:37 16:38 16:39 16:40 16:40 16:41 16:42
Time, t
Tem
pera
ture
, T(C
)
Cooling Due to Sunset
T = 360582t2 - 504942t + 176797R2 = 0.9938
22.0
24.0
26.0
28.0
30.0
16:41 16:42 16:42 16:43 16:44 16:45 16:45 16:46 16:47
Time, t
Tem
pera
ture
, T(C
)
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Physics with Microcontrollers
• Stopwatch• Sonic and IR Rangers• Position, Velocity, and
Acceleration• Voltage Dividers• Force Meter• Temperature Sensor• Light Sensor• Pendulum Velocity and
Period
I believe this is the next wave about to hit physics education.
• Sound Waves and Beat Frequencies
• Optics• Voltmeter• Ohm-meter• Ammeter• Computer Modeling• Projectile Launcher
(Compare computer code with physics student’s derivations)
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Physics: OpticsCalibrating and using the $0.75 light sensor:
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Physics: Projectile MotionA collaboration between physics and robotics students.
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Physics: Projectile MotionA collaboration between physics and robotics students.
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Outreach
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A Roundtable Discussion
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The Future• The Intel Mac• Web-based content• Collaborations• Mini Grand Challenge• Competitions
– Trinity Firefighting (www.trincoll.edu/events/robot/)– Penn State Abington (www.cede.psu.edu/~avanzato/robots/contests/)– Robot Madness (www.robotmadness.org)– RoboCup (www.robocup.org)– RoboCup Junior (www.robocupjunior.org)– George School?
• Future workshops
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Dinner and a Movie
• Robot Madness (and Robot Soccer) 2006• Thor the Movie 2006• Many short robot demo clips
During lunch I will have a few movies running on a continuous loop, including: