this post was submitted on 21 Jan 2024
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Fuck Cars

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A pirated car would just be a more free way to access the $10k/yr pay wall you live your life behind. Car-dominant infrastructure is vendor lock in.

Edit: fixed picture

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[–] [email protected] 3 points 10 months ago (3 children)

RF range is very limited and there is no feedback of success/failure or current state. My neighbour's RF remote start wouldn't work through 2 townhouses. It also doesn't work from high-rises or office building.

How often do you lose cell reception in a parking lot? (Mostly open space with few things to interfere with cell signal).

[–] [email protected] 4 points 10 months ago (1 children)

You are aware that there are rf solutions that provide feedback? Not saying range limitations don't exist, but there are solutions that claim to provide a fair reach.

[–] [email protected] 1 points 10 months ago

I am aware. I didn't think it was necessary to explain that it's possible to make an data stream reliable, but doing so requires a lot more power which isn't great for a coin-cell battery.

[–] [email protected] 2 points 10 months ago (1 children)

@n2burns @FireRetardant Basement car parks can be pretty bad for connectivity.

[–] [email protected] 1 points 10 months ago* (last edited 10 months ago) (1 children)

If you're in a basement, you don't need remote start. It's really only for when your car is exposed to the elements.

[–] [email protected] 1 points 10 months ago (1 children)

Basement parking garages are not necessarily heated so remote start could still be useful during cold weather.

[–] [email protected] 1 points 10 months ago

Not heated, but slightly insulated. When I was in Manitoba, that meant most parking structures were roughly 15°C-20°C than outside.

[–] [email protected] 1 points 10 months ago* (last edited 10 months ago) (1 children)

RF range is very limited

RF range deployed by most vehicles, yes. Not all RF is equal in range capability.

See "Frequency bands" https://en.wikipedia.org/wiki/Radio_frequency

Below 3 Hz >10(power 5) km

[–] [email protected] 1 points 10 months ago

I'm very aware of RF bands. I didn't think I needed to explain how RF worked, why the range of a car remote is so limited, and why is impractical to use a lower band. As the frequency gets lower, the data throughout decreases and the size of the antenna should increase.