Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Physical computing with Scratch and Python
Search
Ben Nuttall
March 21, 2016
Education
0
320
Physical computing with Scratch and Python
Physical computing with Raspberry Pi using Scratch and Python with GPIO Zero
Ben Nuttall
March 21, 2016
Tweet
Share
More Decks by Ben Nuttall
See All by Ben Nuttall
Numeronyms are obnoxious
bennuttall
0
390
Live Highlights in BBC iPlayer
bennuttall
0
110
Rapid prototyping in BBC News with Python and AWS
bennuttall
0
170
Rapid prototyping in BBC News with Python and AWS
bennuttall
0
110
Running a Python Package Index for Raspberry Pi
bennuttall
0
150
From Acorns to Raspberries
bennuttall
0
130
Innovation in the newsroom
bennuttall
0
140
Innovation in the newsroom - MOS Running Order Manager
bennuttall
0
200
How to market your open source project
bennuttall
0
240
Other Decks in Education
See All in Education
Design Guidelines and Models - Lecture 5 - Human-Computer Interaction (1023841ANR)
signer
PRO
0
1.1k
Node-REDで広がるプログラミング教育の可能性
ueponx
0
140
高校におけるプログラミング教育を考える
naokikato
PRO
0
170
SISTEMA DE MEMORIA Y SU IMPACTO EN LAS DECISIONES.
jvpcubias
0
180
仏教の源流からの奈良県中南和_奈良まほろば館‗飛鳥・藤原DAO/asuka-fujiwara_Saraswati
tkimura12
0
140
Introduction - Lecture 1 - Web Technologies (1019888BNR)
signer
PRO
0
5.7k
American Airlines® USA Contact Numbers: The Ultimate 2025 Guide
lievliev
0
260
質のよいアウトプットをできるようになるために~「読む・聞く、まとめる、言葉にする」を読んで~
amarelo_n24
0
280
20250830_MIEE祭_会社員視点での学びのヒント
ponponmikankan
1
180
「実践的探究」を志向する日本の教育研究における近年の展開 /jera2025
kiriem
0
120
Técnicas y Tecnología para la Investigación Neurocientífica en el Neuromanagement
jvpcubias
0
170
探査機自作ゼミ2025スライド
sksat
3
820
Featured
See All Featured
Rebuilding a faster, lazier Slack
samanthasiow
84
9.2k
Typedesign – Prime Four
hannesfritz
42
2.8k
Design and Strategy: How to Deal with People Who Don’t "Get" Design
morganepeng
132
19k
Building a Scalable Design System with Sketch
lauravandoore
463
33k
Building Better People: How to give real-time feedback that sticks.
wjessup
369
20k
Fight the Zombie Pattern Library - RWD Summit 2016
marcelosomers
234
17k
10 Git Anti Patterns You Should be Aware of
lemiorhan
PRO
657
61k
How To Stay Up To Date on Web Technology
chriscoyier
791
250k
Fireside Chat
paigeccino
40
3.7k
For a Future-Friendly Web
brad_frost
180
10k
Facilitating Awesome Meetings
lara
57
6.6k
Designing Experiences People Love
moore
142
24k
Transcript
Physical Computing with Scratch and Python
None
Boot the Pi and open Scratch
GPIO Server • GPIO Server On
Broadcast • configXout • gpioXon • gpioXoff • wait X
secs • forever Component GPIO pin Red LED 25 Amber LED 8 Green LED 7 Buzzer 15
Close Scratch and open Python 3
Open a new file • File > New File •
File > Save • Save as camjam.py
GPIO Zero LED from gpiozero import LED led = LED(25)
while True: led.on() sleep(1) led.off() sleep(1) Save and run: Ctrl + S F5
GPIO Zero LED from gpiozero import LED led = LED(25)
led.blink()
GPIO Zero Button + LED from gpiozero import Button, LED
button = Button(21) led = LED(25) while True: button.wait_for_press() led.on() button.wait_for_release() led.off()
GPIO Zero Button + LED from gpiozero import Button, LED
button = Button(21) led = LED(25) while True: led.on() button.wait_for_press() led.off() button.wait_for_release()
GPIO Zero Button + LED from gpiozero import Button, LED
button = Button(21) led = LED(25) while True: led.blink() button.wait_for_press() led.off() button.wait_for_release()
Traffic Lights from gpiozero import Button, TrafficLights button = Button(21)
lights = TrafficLights(25, 8, 7) while True: button.wait_for_press() lights.on() button.wait_for_release() lights.off()
Traffic Lights from gpiozero import Button, TrafficLights button = Button(21)
lights = TrafficLights(25, 8, 7) while True: lights.blink() button.wait_for_press() lights.on() button.wait_for_release()
Traffic Lights from gpiozero import Button, TrafficLights, Buzzer from time
import sleep button = Button(21) lights = TrafficLights(25, 8, 7) buzzer = Buzzer(15) while True: lights.on() buzzer.off() button.wait_for_press() lights.off() buzzer.on() button.wait_for_release()
Traffic Lights while True: lights.green.on() sleep(1) lights.amber.on() sleep(1) lights.red.on() sleep(1)
lights.off()
Traffic Lights while True: button.wait_for_press() lights.green.on() sleep(1) lights.amber.on() sleep(1) lights.red.on()
sleep(1) lights.off()
Traffic Lights Sequence • Can you make a full traffic
lights sequence? • Use the button for a pedestrian crossing • Use buzzer.beep() to indicate safe crossing
Documentation and help guides • raspberrypi.org/documentation/usage/scratch/gpio • gpiozero.readthedocs.org • raspberrypi.org/resources
• raspberrypi.org/education/downloads
Physical Computing with Scratch and Python