SRE builds open-source bowling scoring system for $1,600, replacing $120k vendor setup

A software reliability engineer who purchased a rundown 8-lane bowling center in rural midwest America grew frustrated with the prohibitive cost of replacing its aging scoring system, which vendors quoted at $80,000–$120,000. He discovered the expensive proprietary hardware ultimately did little more than actuate a single relay to trigger decades-old mechanical bowling machines. In response, he built a functional prototype called OpenLaneLink using ESP32 microcontrollers, Raspberry Pi lane computers, Redis, and common off-the-shelf components for roughly $200 per lane pair. The system uses an ESPNow mesh network with RS485 wired fallback, feeding sensor data into a Redis-backed state machine with a React-based frontend. He plans to open-source the full hardware, firmware, and software stack to help other small bowling centers avoid costly vendor lock-in.