I carried the miniCard for a morning, and I noticed it was tricky to set the heading properly. Since I had a physical switch, I had to position the device and press the button. Unfortunately, I had to twist and turn to reach it, and I couldn't have it inside anything, like a case. Maybe I will need to change the delay between the press and the calibration to ten seconds. That should be enough time to press the button, stow it, and face north. I realized this battery only lasted three hours, whereas the previous one ran for twelve.
I keep a few drawers with empty containers, like old pill bottles, mint tins, and candy jars, so I always have project holders. This time I found an acrylic box. Acrylic doesn't like cutting or drilling, so I used a hot soldering iron to make a hole in the bottom, then a drill bit to chip out the slag. I had to relocate the vibrating motor and battery, so it fits, but I got it all in. Now I can carry it without snagging in my pocket.
GitHub repo for Cardinal, aka InCompass
The rest of the posts for this project have been arranged by date.
Completed projects from year 1
Completed projects from year 2
Completed projects from year 3
Completed projects from year 4
Completed projects from year 5
Completed projects from year 6
Completed projects from year 7
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