Raspberry Pi in Estonia - Secondary

Intro to Raspberry Pi for Estonian school students

Transcript

1. Raspberry Pi
   Ben Nuttall
   Raspberry Pi Foundation
   UK Charity 1129409
   

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2. Raspberry Pi
   ●
   Credit card sized computer
   ●
   €32
   ●
   Made in the UK
   ●
   6 million sold
   

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3. Raspberry Pi Community
   

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4. Raspberry Jam
   

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5. Raspberry Pi Setup
   

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6. What do I need?
   ●
   USB mouse
   ●
   USB keyboard
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   USB power supply
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   Monitor or TV
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   HDMI cable
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   Micro SD card
   

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7. Optional extras
   ●
   Case
   ●
   Ethernet cable
   ●
   USB WiFi dongle
   ●
   Camera module
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   USB Bluetooth dongle
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   Speakers or headphones
   

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8. The SD Card
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   This is your hard drive
   – Operating system
   – Files + programs
   

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9. Getting started
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   Insert SD card
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   Connect mouse & keyboard
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   Connect HDMI cable
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   Connect power supply
   

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10. Scratch
    ●
    Drag & drop block interface
    to programming
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    Logic
    ●
    Computational thinking
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    Easy to make games
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    Impossible to create a
    program that fails to run!
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    Recommended for young
    children
    

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11. Sonic Pi
    

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12. Python
    ●
    Powerful extensible
    programming language
    ●
    Easy to read and write
    ●
    Make software, games, GUIs,
    websites, robots and more
    ●
    Ideal for physical computing
    ●
    Extensive library of additional
    modules for Raspberry Pi
    hardware
    ●
    Recommended for education
    

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13. Minecraft: Pi Edition
    ●
    Free version of Minecraft on
    Raspberry Pi
    ●
    Python programming
    interface
    ●
    Learn Python by building
    things and making games in
    Minecraft
    ●
    Creative computing
    

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14. Mathematica
    ●
    Expensive proprietary
    software – free on Raspberry
    Pi
    ●
    Powerful scientific
    programming
    

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15. Physical computing
    ●
    Flashy lights
    ●
    Motors & robots
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    Photo & video
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    Sensors
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    Internet of Things
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    Engaging and empowering
    

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16. GPIO Pins – General Purpose Input/Output
    rasp.io
    

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17. Python library - RPi.GPIO
    ●
    Included in Raspbian
    ●
    Features:
    – Configure pins as input/output
    – Read inputs (high/low)
    – Set outputs (high/low)
    – Wait for edge (wait for input to go high/low)
    – Pin event detection (callback on input pin change)
    

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18. Flash an LED
    ●
    “Hello world” program of
    physical computing
    

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19. 3V3 = always on
    

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20. GPIO = user controllable
    

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21. Flash LED with Python
    from RPi import GPIO
    from time import sleep
    GPIO.setmode(GPIO.BCM)
    led = 2
    GPIO.setup(led, GPIO.OUT)
    while True:
    GPIO.output(led, True)
    sleep(1)
    GPIO.output(led, False)
    sleep(1)
    

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22. Traffic Lights
    green.on()
    yellow.off()
    red.off()
    sleep(10)
    

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23. Traffic Lights
    green.off()
    yellow.on()
    sleep(1)
    

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24. Traffic Lights
    yellow.off()
    red.on()
    sleep(10)
    

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25. Traffic Lights
    yellow.on()
    sleep(1)
    

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26. Traffic Lights
    green.on()
    yellow.off()
    red.off()
    

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27. Pi in the Sky
    

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28. The sky is the limit...
    

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29. ...or is it?
    

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30. Astro Pi
    

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31. Sense HAT
    ●
    8x8 RGB LED matrix
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    Mini joystick
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    Gyroscope
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    Accelerometer
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    Magnetometer
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    Temperature sensor
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    Barometric pressure sensor
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    Humidity sensor
    

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32. Raspberry Pi
    Ben Nuttall
    Raspberry Pi Foundation
    UK Charity 1129409
    

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