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0 pointsbeiller5y ago0 comments

I think it's fair to say cars today are packed with more and more full blown cpus since 2010 onwards and so much of it it just junk. Maybe partially due to safety regs like mandatory backup cameras but android auto and car play? Notice how difficult it is to get aftermarket android auto (in my experience). Why can't it just hook up to my cell phone? But to be fair I am totally shooting from the hip here, and the article isn't making it clear which chips are in short supply. But as some other commenters pointed out, if it is really purely a shortage, why don't they just jack up the price. These are luxury brand cars I don't think consumers aren't willing to pay.

Have you heard of the automotive right to repair initiative from 2012? Why do you think such a thing was necessary? And guess the main method used to circumvent right to repair automotive laws that were passed in the USA? More complex electronics.

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calvinmorrison5y ago· 2 in thread

> I think it's fair to say cars today are packed with more and more full blown cpus since 2010 onwards

ISO standardized the CANbus, which is a networked message-based protocol for components talking to eachother. It was first developed by Bosch. Intel started making chips in the early 90s.

By the time you get to the Saab 9-5 (1999) you have CANBus running all over the car. The drivers seat? There's 5 motors, a heater, adjusters, buttons,etc. That all talks to the central computer and can be diagnosed by talking to it with a diagnosis device you plug into the OBD2 connector. this is fantastic because the microcontroller can detect the position of the seat for example - run tests and use hall effect sensors to determine what is the problem. This sucks if you don't have a TECHII diagnosis tool.

So it's not new - it's in fact very established!

beillerOP5y ago

OBD2 is what I'm talking about. Required by law. But guess which auto manufacturer has the port accessible, with the pins only outputting power and ground today ( no data )? It's a new trend. Data now is sent wirelessly over a proprietary protocol.

calvinmorrison5y ago

Yeah obd was standardized by like, 97? However there were multiple diagnostic systems that predated it.

OBD will send data, all sorts, as its used primarily for pulling codes and doing emissions testing

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