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 9 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 9 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 9 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 9 months ago (1 children)

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

[–] [email protected] 1 points 9 months ago* (last edited 9 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 9 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 9 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 9 months ago* (last edited 9 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 9 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.