SMRTR TechJun 15, 2026Hacker News

Micro Radar: a tiny open-source flight radar for your desk

SMRTR summary

Micro Radar is a small, buildable flight radar that sits on your desk and shows live aircraft flying over your location. Using an ESP32-C3 module with a round 240x240 screen, 3D-printed parts, and OpenSky's free flight data API, it displays real-time air traffic after a simple WiFi setup and firmware flash.

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