ESP8266 WiFi Analog Clock Project: Converting Quartz Clocks to Network Time Protocol
By
tokyobreakfast
A baker's-dozen of insight crammed into one ring.
Summary
This project demonstrates how to convert an inexpensive analog quartz clock into a WiFi-connected timepiece using an ESP8266 module and Arduino programming. The system connects to NTP servers to automatically retrieve and display accurate local time, with automatic reconnection every 15 minutes and daylight savings time adjustment. The hardware setup involves a WEMOS D1 Mini ESP8266 module, EERAM IC, and basic components mounted on perfboard, connected to a standard analog clock mechanism found at Walmart for under $4.
Key quotes
· 4 pulledThis project uses an WEMOS D1 Mini ESP8266 module and an Arduino sketch to connect to a NTP (Network Time Protocol) server to automatically retrieve and display the local time on a inexpensive analog quartz clock.
The ESP8266 reconnects to the NTP server every 15 minutes which keeps the clock accurate. The clock also automatically adjusts for daylight savings time.
I'm using an analog clock with a quartz movement I found at my local Walmart for $3.88.
Uses an ESP8266 module and an Arduino sketch to display the local time on a inexpensive analog quartz clock.
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