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
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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