Programming and Electronics with the Raspberry Pi

Outreach demo for a School of Computer Science & Informatics Open Day event. With Mark Greenwood. July 2012.

Transcript

1. Programming and
   Electronics with the
   Raspberry Pi
   School of Computer Science & Informatics
   

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2. What is the Raspberry Pi?
   

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3. What is the Raspberry Pi?
   

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4. What is the Raspberry Pi?
   

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5. =
   

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6. How much does a Raspberry Pi
   cost?
   

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7. What are we doing today?
   

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8. Let's run our first program!
   

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9. Let's run our first program!
   

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10. Let's run our first program!
    

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11. turnOn(1)
    turns on the first light
    turnOn(2)
    turns on the second light
    turnOff(1)
    turns off the first light
    sleep(2.5)
    wait for 2.5 seconds
    What instructions can we use?
    

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12. Try making your own light patterns!
    

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13. What about repeating a pattern?
    

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14. for i in range(5):
    turnOff(2)
    sleep(1.0)
    turnOn(2)
    sleep(1.0)
    What about a repeating pattern?
    

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15. Try making your own repeating
    patterns!
    

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16. How can we use the button?
    

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17. Let's use a new instruction: isPressed()
    while True:
    if isPressed():
    turnOff(1)
    turnOn(2)
    else:
    turnOff(2)
    turnOn(1)
    sleep(0.1)
    How can we use the button?
    

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18. Try making a pattern that starts
    when you press the button
    

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