Student Builds AI Speed Radar with Claude in 9 Days, Sells for $317K

minchoi · x · 2026-07-06

According to minchoi, a 20-year-old Chinese student used Claude, an old camera, and about $20 in API credits to build an AI traffic speed radar system in just 9 days, allegedly selling it to a municipal district for roughly $317,000. While specific details remain unverified, the case is viewed as a classic example of AI empowering independent developers to rapidly monetize ideas.

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