SMRTR TechFeb 9, 2026Hacker News

Converting a $3.88 analog clock from Walmart into a ESP8266-based Wi-Fi clock

SMRTR summary

A maker converted a $3.88 Walmart clock into a WiFi timepiece by connecting an ESP8266 microcontroller to its quartz movement. The system syncs with NTP servers and uses EERAM memory to track hand positions during power outages.

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