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by IshKebab 229 days ago
> You can negotiate charging with essentially a single resistor.

For USB sure.... I'm pretty sure this doesn't charge over USB.

1 comments

I'm surprised, and you'll be surprised, but this is true!! I gotta start actually looking shit up before saying something....

https://en.wikipedia.org/wiki/SAE_J1772#Signaling

J1772 is significantly more than a single resistor. And, while the signaling is analog, all practical implementations are going to use digital circuitry to generate and detect it.