2014-09-29 (M) Smart Pocket Watch

A larger conductive surface was made for the backside of the smart watch by inserting two more copper strips. On the front of the smart watch long copper strips were attached to each strip already attached but no solder was applied. The strips on the face of the watch were covered with electrical tape strips trimmed to size to insulate them from the chassis.

 Larger conductive patch on backside of clamshell

Foil strips applied to front of smart watch
Insulated strips on front of smart watch

The insulating tape strips were severed part way and the scrap was moved closer to the end to make a break in the insulation where it can be accessed like a touch sensor. The strips were trimmed and wrapped around the plastic hoop. The touch sensors will not work reliably while the clamshell is closed. This suggests the problem is due to tension via the wooden arcs or stray conductivity. Each of these problems can be addressed. Another issue could be the conduction between the chassis and the switch foil. It may be beneficial to only apply copper foil on the screen but not the side of the smart watch.

4mm breaks in the insulation

 Smart watch inserted into clamshell

 Foil adhered to plastic loop

Uncropped spinning photo made with Rotational Photography Rig

To do:
  • Insulate both sides of foil
  • Add slack between watch and wooden arcs
  • Remove foil from sides of smart watch
  • Reduce diameter of plastic at top of plastic hoop
  • Repaint plastic hoop
  • Clear coat on plastic hoop

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