Show HN: I replaced a $120k bowling center system with $1,600 in ESP32s
bowlinghardware hackingopen-sourceESP32ESPNowRedisReactWebSocketpub-subbowling centerSREhackathon
Author: section33
Date: 7/19/2026
Article Summary:
A SRE created an open-source bowling center system, replacing a $100,000 commercial system with a $200 ESP32-based prototype.