this post was submitted on 26 Nov 2023
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People use "WiFi" as a generic term for wireless protocols all the time, this almost certainly doesn't use actual WiFi.
Eh, even If it does, it shouldn't be a problem. Relying on a wireless link that could fail due to interference or jamming for actual control would be Musk-level insane.
The hitchbot would need to be capable of visually following the lead vehicle, possibly using something like a big QR code for identification and tracking.
The wireless link could be for telemetry like range and non-critical controls like "stay here" and "start following".
If the link fails, you get a big warning to stop ASAP but the bot keeps following.
So... Ethernet?