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Exploring Embedded Computing Interfaces for Target Devices

This assignment aims to delve into the world of embedded computing with a focus on user interfaces for devices like parking meters, ATMs, and smart houses. Students will identify target devices, define tasks, and document their observations to improve interface design. The course covers technologies such as microprocessors, sensors, and network connections, with an emphasis on meeting performance requirements. Special considerations include accessibility and error prevention. Through team collaboration and individual assignments, students will gain practical experience in interface design and presentation skills.

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Exploring Embedded Computing Interfaces for Target Devices

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  1. Creating User Interfaces Embedded computing. Make assignment Classwork: Start thinking about target, teams. Homework: Post proposal, team members.

  2. Embedded computing • Performs set tasks (aka pre-defined tasks) with computer totally encased in device • Strict requirements for performance and usability • May be outside. May need to function in inclement weather.

  3. Embedded computing • Parking meters • Tickets (e.g., Metro North) • ATMs • Cars • Interfaces we see, such as GPS, fuel levels, connection to phones for music, phone • Note: substantial computing goes on for fuel, steering, etc. • More?

  4. Embedded computing, cont. • Point of Sale (replacement for cash registers) • Medical equipment • Factory equipment • Devices making up "smart house" • Thermostats • Alarm systems • Safety monitors • More?

  5. Characteristics • Single use or small set of uses • Small[er] screens • Touch • Limited resolution • No or very limited learning required • But … my 2013 car came with 8 manuals • Robust with respect to human error • More?

  6. Technologies • Microprocessor • Sensors • Memory • Network connections All need to meet specific performance requirements (e.g., power consumption, heat, durability). Hardware or software may be special purpose or not.

  7. Special considerations • Accessibility • Can everyone in target user group see (use) and reach interface? • Is there support for languages other than English? • ? • Error prevention • Error recovery

  8. Assignment • Identify single or pair of similar devices. • Comparisons are always good, but you probably won’t have the same subjects. • For example, parking lot kiosks in two different parking areas • Define task. • Approach strangers and/or recruit subjects. • BE CAREFUL and be polite. Consider offering candy! • Document and prepare presentation.

  9. Documentation & Presentation • One-pager • Summary of project • Photographs of screens • Presentation • Approach • Photos • Results • Analysis

  10. Rationale for assignment • Get ideas on effective interfaces. • Practice observing and working with subjects. • Improve presentation skills • Written and oral

  11. Classwork • Form teams and decide on general targets and approach. • Homework: post proposal. • Time next class for planning.

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