this post was submitted on 25 Jan 2024
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I think something cooler would be a fleet of micro-drones that seek out and destroy other drones. Since it doesn't need to have a transceiver itself, seeking out anything broadcasting from above it at ~2.4ghz would be a challenge, but not impossible.
They don't even need to have explosives. Just speed and a good collision path. If it tracks someone's cell phone that could be awkward, but not deadly.
Interesting. What about helicopters and what not?
As in, radio interference from helicopters?
Well, the intention is a last-resort defense. There have been hundreds of videos where soldiers on the ground see drones way in advance. (Not kamikaze drones, but recon/grenade droppers.) You open box, point mini-drone in the general direction of the bad drone that is tracking you and press a button. The time window would be very short.
In theory, only a small antenna pair on the mini-drone is needed to approximate the position of a Mavic if it's already pointed in that direction. I think even an ESP32 might be able to do the math fast enough, but I dunno.
If you mean to use a swarm of drones to attack a helicopter, I haven't thought about that.