Prototype (ArmCoach)
Prototype Video
This video shows our bracelet prototype 3 we developed for the user-testing.Patients' Application (First prototype for user testing) Therapists' Application (First prototype for user testing)
Bracelet
Self-testLately a company published a bracelet reminder for reminding to drink water. To learn about how it is to live with a reminder at the wrist we decided to perform a self-test with that bracelet. Prototype 0
At the beginning of hardware developement we looked at the accelerometer and gyroscope data outputs from ipod. We needed to see how those data react to movement.
Senso Monitor App Prototype 1
This testing was to compare those two input elements (3axis accelerometer & 2axis gyroscope) if we need both in our prototype. After evaluation we found out that we just need the accelerometer to detect movement.
Below you see the values (averaged each 2 seconds). If they are higher than the given threshold (more than 3), a movement point is added. Application written in Processing. Microprocessor: Arduino nano. 6 Recorded ADL Prototype 2
Here we tested our output-modules: 1x vibration module (tactile reminder), 1x small speaker (auditory reminder), 1x LED-bar (visual daily progress and daily goal with 21 LED segments), 1x button (bracelet on/off). Prototype 3
After discussion with therapists and patients we brought all the parts together in one prototype. We will use this version for usability testing. It was important that it is robust, small and easy to wear at the arm.
In the code it's important that we can adjust multiple values to have the possibility to test various bracelet settings.