Wednesday 2 May 2012

version 4 prototype

Improvements to the v4  prototype


  • The manual should say that the bear should be left on only when a user is home. 
  • An on/off switch should be integrated to prevent the batteries from burning out
  • The breadboard should be replaced with strip board to stop the wiring falling out
The first thing that was worked on was the on/off switch. The positive lead of battery adapter was split to sever the current, and the switch soldered onto it. The switch was put onto long wires as it needed to be accessible.  The switch was purchased from maplins.


The next thing was moving the project onto strip board. These were purchased from eBay. They were mimics of the arduino half size breadboard, which made it easier to transfer the wiring across than using a standard stripboard. Extra solder wire had to be bought, and the process was very time-consuming.


The final thing that needed doing was changing the manual, which is completed below. The battery life was mentioned as a justification for turning it on/off. The leaflet states that the person buying it is the person who is wants to send the message for someone else to recieve. They may be the one going away from home, or the person who is left behind. Either way the person buying the system is the one who has to record the audio. Users will be asked if they would have liked to have audio in both, where both users record a track for each-other. This could be useful in developing an initial shared experience which could be extremely valuable. 

The wording was changed to 'soft toys' from 'teddies' as it was confusing and other small tweaks were made.



I had to make a decision about where to put the switch, which will be evaluated through user testing. 



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