Week 4

(30/6-4/7)

More naps on the mattress!

We attempted to print a box to fit our Arduino and breadboard, but the 3D printer did not print it correctly and we ended up with a deformed print that we tried to peel and fix to no avail. We go on to fix this issue in Week 5.

We then decided to get rid of the breadboard entirely as it was too bulky, and solder the wires together directly. Unfortunately, we were overambitious and cut the wires off too short, leaving the it palm sized and tough to design a box in which it could fit functionally. We go on to fix this in Week 5.

We also started work on the vibration function meant to alert sleeping users when no significant movement (we defined this as at least 1kg change in weight reading in two sets of load sensors) is detected after 2 hours. We did this by adding a vibration motor, which was too small and weak this week but we go on to fix this in Week 5. It is important to note that we scaled down 2 hours to 20 seconds for the purposes of prototyping and testing. Below is the old vibration motor.