Uploaded January 2026 | Updated September 2026, 2 weeks ago

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Check out my time-pi project for full details: github.com/geerlingguy/time-pi

And the previous video on this mini rack 1U Pico GPS clock project: youtube.com/watch?v=E5qA4fgdS28

Support me on Patreon: patreon.com/geerlingguy
Sponsor me on GitHub: github.com/sponsors/geerlingguy
Merch: redshirtjeff.com
Main Channel: youtube.com/@JeffGeerling
2nd Channel: youtube.com/@GeerlingEngineering

Contents:

00:00 - Upgrading the Pico GPS clock
00:26 - PPS via LED
02:15 - PPS bodge to GPIO 16
03:16 - LCD's too bright
04:09 - UV tint and plastic tape filter
06:01 - 3D printing an integrated filter
07:45 - Any other ideas?