importantSYS.SOURCE: Hacker News• 2026-07-19T14:41:16Z

Cost-Effective ESP32-Based System Replaces Expensive Bowling Center Infrastructure

#hardware #open-source #embedded-systems #cost-efficiency #iot

A developer replaced a $120,000 bowling center scoring system with a $1,600 solution using ESP32 microcontrollers, RS485, and Raspberry Pi, enabling open-source customization and cost-effective maintenance. The system employs ESPNow mesh networking, real-time event streaming via Redis, and modular hardware for scalable, vendor-lock-in-free operations.

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