Upgrade Prototype / MVP,MVP+

Link to Student
Journal Entry For
Prototype WIP

List of test result problems

  1. users can not know how to use this cartridge when they first see this
  2. If user can notice the temperature in side of cartridge, refrigerator can save energy

Solution for 1

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  • Add the design feature(arrow design) on the handle. So that customers can know how to use immediately.

Solution for 2

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  • make the temperature sensor inside of cartridge.
  • wire is connected between sensor and light switch on handle.
  • If sensor recognizes the temperature of inner cartridge is not cold enough, Then red light is on.
  • If sensor recognizes the temperature of inner cartridge is cold enough, Then blue light is on.

QnA List (with Therese , Martina, Yuto)

  1. How adequate do you perceive the solution for your identified problem?
  • The design of handle seems like arrow, It makes customers use cartridge easily
  • By make the light switch on the handle, it works better
  • Showing temperature in side of cartridge is good for saving energy
  1. What are your general concerns with this solution?
  • It should make balance even there is no upper floor
  • battery of the sensor
  1. Any suggestions for the materials that can be used?
  • Cartridge should be light and keep cold air → Titanium / light steel
  • rollers and out-flame are better for being lighter → Plastic

MVP

  • perfect size for refrigerator
  • move well by using roller
  • spring for pushing drinks to front

MVP+

  • light button for showing inside temperature
  • design handle to make users be able to use it without explain