Hacker News new | ask | show | jobs
by NooneAtAll3 3 days ago
radar *display*

making esp32-based radar emitter would've been cool, tho

1 comments

Agree, and the display is called a PPI (https://en.wikipedia.org/wiki/Plan_position_indicator). Before computers, they were easy to connect to a scanning (rotating) radar since the "memory" was the phosphor in the display.