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Calibration & battery update 2023-05-17

A project log for Remarkably Accurate Quartz Clock

Shooting for 10 sec/year accuracy with an ATmega and software-based, temperature-aware frequency correction

gaborGabor 05/17/2023 at 14:360 Comments

It's been 3 weeks since the last calibration. Clock is about 0.2 sec late (a subjective estimate, holding clock side-by-side with time.is). Drift not large enough for recalibration yet.

Battery is at 3.006V.

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