submitted 1 week ago* (last edited 1 week ago) by za_warudo_steve_freiheit@lemmy.world to c/ece@lemmy.world

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How do people use an oscilloscope to analyze USB packets and such? I saw a video by Ben Eater and the way he did it was by exposing the necessary wires of a USB cable and probing those. Is this standard or are there types out there that have this functionally built-in as some accessory or something?

Edit: logic analyzers are pretty interesting

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[-] emptiness@lemmy.blahaj.zone 1 points 1 week ago

Does it have built-in USB decoding? If not then it’s not very practical tbh, but it could do low speed and full speed, with manual decoding. Not high speed.

OpenVizsla can do high speed: https://shop.sysmocom.de/USB-Tracing/

What are you after though? A scope is more fun. :)

[-] za_warudo_steve_freiheit@lemmy.world 1 points 1 week ago* (last edited 1 week ago)

I'm trying to learn electrical circuit design and programming and want/need an oscilloscope for obvious reasons (I already have most of the basic stuff such as a soldering station and a multimeter). I know I want to work with various ICs, FPGAs, and of course stuff like USB to plug stuff. Though budget isn't that extravagant, I should have decent wiggle room (I suppose totals of below or around 700$ is fairly manageable at the moment).

this post was submitted on 06 Sep 2026

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