Show HN: It replaces a $120,000 bowling system with ~$1,600 worth of ESP32
On Hacker News, a SRE who bought an abandoned 8-lane bowling alley with his family in the Midwest shares how he replaced the proprietary system with ESP32s costing $5 each. The BOM drops from $120k to ~$1,600. A lesson on software lock-in.
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