Taking my Pico clock from microseconds to nanoseconds

Duration: 08:34

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

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

Support me on Patreon: https://www.patreon.com/geerlingguy

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Main Channel: https://www.youtube.com/@JeffGeerling

2nd Channel: https://www.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?