Lesson 6 Design Thinking - Empathize · Slides available at: Slide 8 Design Thinking Most people...
Transcript of Lesson 6 Design Thinking - Empathize · Slides available at: Slide 8 Design Thinking Most people...
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Slide 1
Lesson 6Design Thinking - Empathize
...and this...
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Slide 2
Lessons 6 to 10
What we’ll be doing...● Learn about design thinking● Start on ALP project● Learn a new sensor / device every week
– More options for your ALP project prototype
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Slide 3
Target for Today!
● Intro to “Active Living” ALP project● Design Thinking: Start on “Empathize”
– Complete by next week, work outside class hours
● Learn how to use Ultrasonic Distance Sensor
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Slide 4
Active Living
● Integrates physical activities into everyday life
● Includes:– Functional activities (eg. Cycling to
school)– Recreational activities (eg. Jogging,
Zumba)
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Slide 5
ALP Project
● Research the problem● Design a device that encourages Active Living● Build a prototype● Write a report for your idea
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Slide 6
ALP Project
● Your project can target...
Teenagers
Elderly
Couch Potatoes
Disabled
EveryoneExercise Freaks
Working Adults
Students
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Slide 7
ALP Project
● Encourage Active Living by making it...
Safer More fun
Rewarding
Convenient
More Accessible
Easier to track
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Slide 8
Design Thinking
Most people make the mistake of thinking design is what it looks like….
It’s not just what it looks like and feels like. Design is how it works.
Design thinking can be described as a discipline that uses the designer’s sensibility and methods to match people’s needs with what is technologically feasible...
Design Thinking isn’t about “Art”
It’s about understanding
what people need.
Tim BrownSteve Jobs
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Slide 9
What is Design Thinking?
Design Thinking is an iterative process in which we seek to understand the user, challenge assumptions, and redefine problems in an attempt to identify solutions.
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Slide 10
Design Thinking Process
Empathize Define Ideate Prototype Test
5 Phases of Design Thinking
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Slide 11
Design Thinking Process
Empathize Define Ideate Prototype Test
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Slide 12
Empathize
● Understand the human needs involved.– Research and consult experts– Observe, engage, empathize with users– Immerse yourself in the same environment as the
user (body storming)
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Slide 13
Empathy Techniques
● Interviews– Prepare questions: How? What? Why?
(eg. How often do you exercise? What exercise do you do? Why do you exercise?)
– Test your questions on a team mate before actual interview
– Avoid negative questionsBad: Why don’t you exercise more?Good: What did you enjoy most from your last exercise session?
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Slide 14
Empathy Techniques
● Bodystorming– Act out the situation or role that you are targeting– Understand the problem and avoid assumptions– Example:
● Using exercise equipment while seated to understand difficulties faced by wheelchair users
● Try jogging with foggy glasses to simulate the difficulties faced by people with poor vision
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Slide 15
EmpathizeWorksheet
Discuss and fill in your worksheet (20 mins)...
Who?Who is your target group. (eg. teens, elderly, adults)
How?How do you plan to understand them. (eg. interviews, observation, bodystorming)
Plan!Prepare your interview questions, observation plan, etc.
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Slide 16
ALP Project
Keep what you have written!
You’ll need to include it in your ALP Project write-up
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Slide 17
Ultrasonic Distance Sensor
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Slide 18
Ultrasonic Distance Sensor
● Works by sending pulse of sound and measuring how long it takes for echo to return
● Max range: 400cm● Doesn’t work in “Live”
mode
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Slide 19
Ultrasonic Distance Sensor
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Slide 20
Ultrasonic Distance Sensor
● Total distance– Time x Speed of sound
● Distance to object– Total distance / 2
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Slide 21
Ultrasonic Distance Sensor
● In mBlock:
Retrieve distance in cm using...
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Slide 22
Ultrasonic Distance Sensor
Sensor Arduino
Vcc 5V
Trig Any I/O (Pin 2 to 12)
Echo Any I/O (Pin 2 to 12)
Gnd Gnd
Pins Connections
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Slide 23
Start up mBlock
● Don’t forget mLink
● Then go to https://ide.mblock.cc
● File → New
Get rid of this guy
Add this one instead
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Slide 24
Ultrasonic Distance SensorRuns automatically when the Arduino starts or reset
Repeats forever
Checks if distance is less than 20cm. IMPORTANT: Trig and echo pins must be set according to your connection
If true, turn on pin 13 (built-in LED), else turn it off.
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Slide 25
Push-Up Counter (v1)
● Test and make sure the built-in LED lights up when you perform a push-up
● Alternatively, you can also use it as a sit-up counter
● You may need to adjust the detection distance
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Slide 26
Push-Up Counter (v2)
● Version 1 can only detect push-up, but not count them
● A single push-up consists of two actions…– Going down– Returning up
● Our program should detect both of these
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Slide 27
Push-Up Counter (v2)Start count at zero
Increase count if distance less than 20cm (Down)
Wait until distance greater than 50cm (Up)
If count greater than 5, turn on pin 13 (built-in LED).
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Slide 28
Push-Up Counter (v2)
● Adjust both the near and far distance to make it work reliably
● Press the red button on the Arduino to reset the program
● How else can you use the ultrasonic distance sensor to for active living?
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Slide 29
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Commons Attribution-ShareAlike 4.0 International License.