DIY UAV prehistory
The MP1000, a circa 1999, $1,500 flight controller with GPS waypoints. And that's not a vacuum tube, that's an electrolytic tilt sensor.
A mostly drones weblog
Some of them look like dragonflies and are meant to be spies, some are huge and are given government kill lists.
Cheap flying robots have already changed the world, but it took a while for people to notice.
-- lemonodor
The MP1000, a circa 1999, $1,500 flight controller with GPS waypoints. And that's not a vacuum tube, that's an electrolytic tilt sensor.