joey castillo on Nostr: Last night I finished the most rudimentary activity tracking proof of concept for ...

Last night I finished the most rudimentary activity tracking proof of concept for Sensor Watch Pro: it counts the number of orientation changes the watch experiences per hour, and the number of times the accelerometer was “awake” at the top of the minute. This adds 600 nA to the power budget, and the data strongly hints that sleep tracking should be possible. Sensor Watch data at left; Oura data at right. Note that period of Deep Sleep, and that period of low motion counts from 1:00-3:00 AM…