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raspberry pi secondary

for our teacher's workshops
by

matthew venn

on 21 January 2016

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Transcript of raspberry pi secondary

There's a lot to master
Not as powerful as a modern PC
Cheap
Lots of support
GPIOs
Free OS
Popular (5M sold 18/2/15)
Low power
Linux
Command Line Interface
Graphical User Interface
Installing drivers & software
Programming
Computer skills
are declining
Computers cost
too much to hack
Few students study
COMPUTING in schools
School budgets
are squeezed
What's Involved
What needs does a raspberry pi address?
boot to scratch
boot to python
cons
getting kids engaged
simpler systems
The pi is a £28 general purpose computer, like a PC on your desk.
pros and cons
embedded computing...
timelapse controller and dolly
what you need:
camera,
motor + power,
moving mount (could be a skateboard)
https://sites.google.com/site/raspilapse/home
example
one button audio book
what you need:
button
http://blogs.fsfe.org/clemens/2012/10/30/the-one-button-audiobook-player/
example
balloon camera
what you need:
camera,
batteries,
gps for recovery
3g dongle for sending information
http://www.daveakerman.com/?p=873
example
open source
set a socially responsible challenge
https://twitter.com/guru
Apple gives you a sandy beach, a sunbed and a cocktail. @Raspberry_Pi gives you a desert, a knife and a water bottle.
cross curriculum
physics - timing ballistics, launching rockets
geography - sensors: temperature,
humidity, air quality
energy usage
arts - creating art with computers and robotics
biology: timelapse of growing plants
DT
pi based products
competitions
sharing
improvement
free
open access to design
leads to
learning
political engagement
resource scarcity
wealth redistribution
environmental
http://pi3.sites.sheffield.ac.uk/
pi cubed maths competition
power supply considerations
random reboots
network dropouts
problems when high cpu usage
won't boot
problems
solutions
use a better usb psu
use a better cable!
use a powered usb hub
use a separate psu for motors
new, unexpected uses of other peoples work
evolution of ideas
pros
what you need:
2 geared motors, wheels and platform,
driver chip,
battery pack
example kits
robots
also mini challenges are available: http://pi3.sites.sheffield.ac.uk/mini-challenges
standalone
networked
networking equipment
another computer
(headless) pi
software
vnc
putty
winscp
scratch
pros:
simple
easy to understand
cons:
expensive
less mobile

pros:
multi user
mobile (with battery and wireless)
cons:
harder to setup
more challenging to use (graphical is slower, text is harder)
how to network?
wired/wireless
necessary?
school policy
fixed IP vs dhcp
finding them!
what next today?
Scratch GPIO
Python intro
Python & Pibrella
Lunch break
Minecraft
Sonic Pi
Free time

http://4tronix.co.uk/store/index.php?rt=product/product&path=43&product_id=340
​https://store.ryanteck.uk/index.php?id_product=3&controller=product​
http://www.monkmakes.com/#!/~/product/category=9634050&id=37154139
simpler balloon project
what you need:
battery
camera
weather balloon
helium
lesson plan and kit coming soon!
http://www.paconsulting.com/events/pas-new-raspberry-pi-competition-for-2013-14/
pa consulting's competition
winners 2014
robot that scans items and tells you how to recycle them
web enabled plant care and monitoring system
forest fire prediction system
car park space detection system
Model A
http://www.stuffaboutcode.com/search/label/minecraft
minecraft
modelling a physical system
https://github.com/mattvenn/minecraft-pi
http://www.stuffaboutcode.com/2013/11/minecraft-coding-traffic-jam.html
wired network
extra PC
Requirements
Benefits
quick to make SD cards
easy backup
easy package installation
sd card
buy one already installed
make one by downloading NOOBS
Full transcript