News for hackers. Stuff that matters.

A comment on Carice TC2 – A non-digital electric car. Parent comment

Re:Carice TC2 – A non-digital electric car by IshKebab on Wednesday November 05, 2025 @11:13AM (#45824584)
> You can negotiate charging with essentially a single resistor.

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

[ Parent | on HN ]
Re:Carice TC2 – A non-digital electric car by 0_____0 on Wednesday November 05, 2025 @11:55AM (#45825092)
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

[ Parent | on HN ]
Re:Carice TC2 – A non-digital electric car by labcomputer on Wednesday November 05, 2025 @04:52PM (#45828568)
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.
[ Parent | on HN ]