2026-09-20 08:11 UTC
Replies (3)
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@Dariusmiles2123@sh.itjust.works 2026-09-20 08:23
Well something like this github.com/meliorisse/CordIDMonitor sounds kind of useful for my case
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@cmnybo@discuss.tchncs.de 2026-09-20 18:42
There are cheap USB cable testers that will tell you what pins are connected and what speed the e marker chip reports. Actually measuring the bandwidth of the cable requires some expensive test equipment though.
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@triplenadir@lemmygrad.ml 2026-09-20 18:58
This will tell you which types of “fast charging” Power Delivery a cable will handle and if the cable supports data, and will identify some types of electrical faults treedix.com/…/treedix-usb-cable-tester-usb-c-cabl… And this kind of thing will tell you how much power is actually being transferred (but nothing about data transfer) - as someone else mentions, this also depends on the device you’re charging/powering, and the power source, but it is a more immediately useful number than what specification is supported: www.aliexpress.us/item/3256807855183284.html?brow…