Looks like several of these have come up in the past months, with the last one being a real product (that was on pre-order) - https://makerworld.com/models/287

Looks like several of these have come up in the past months, with the last one being a real product (that was on pre-order) - https://makerworld.com/models/2872376-esp32-plane-radar-live-ads-b-on-a-round-display https://makerworld.com/models/2872376-esp32-plane-radar-live... (referenced by the linked article) - https://github.com/AnthonySturdy/micro-radar https://github.com/AnthonySturdy/micro-radar - https://www.gadgies.co.uk/shop/p/product-3-szb2y-gzh2r-tzhkx-srd4s https://www.gadgies.co.uk/shop/p/product-3-szb2y-gzh2r-tzhkx... Personally, I really like them. It's a nice gadget. :)