Hi Product Hunt 👋 I’m the founder of PI SpeedLAB. We started building PI-Link because we were frustrated with traditional speed guns — limited processing power, inconsistent readings, and expensive hardware. So we asked: What if we used the smartphone’s CPU instead? By combining Doppler radar hardware with smartphone-level computing power, we built a smarter way to measure baseball velocity. We’d love your feedback — especially from athletes, coaches, and hardware builders. Ask me anything!
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