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        I waited far too long to buy one of these portable oscilloscopes.

The FNIRSI 2C53T is $90 on Amazon: https://amzn.to/49BxVJA (Amazon affiliate link)

Here are the other videos I referenced:

  - Branchus Creations' overview of the 2C53T: https://www.youtube.com/watch?v=RyU4aKOZWcY
  - Matthias Wandel's review of the DPOS350P: https://www.youtube.com/watch?v=dcexJ4CTvOg
  - My previous video on the Pico GPS clock: https://www.youtube.com/watch?v=w_EJMtji93g

Support me on Patreon: https://www.patreon.com/geerlingguy
Sponsor me on GitHub: https://github.com/sponsors/geerlingguy
Merch: https://www.redshirtjeff.com
2nd Channel: https://www.youtube.com/@GeerlingEngineering
3rd Channel: https://www.youtube.com/@Level2Jeff

Contents:

00:00 - FNIRSI 2C53T
01:45 - Testing timing
03:05 - Probe setup
04:54 - Triggering on nanoseconds
07:22 - Cable length matters
08:45 - Quick summary of the oscope
09:31 - 3D printed clock LCD filter update
10:09 - Testing the signal generator (sine wave)
12:12 - Other waveforms
14:02 - When 1 Hz is actually 2 Hz

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A scope every electronics nerd should own

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