DS3231 OLED clock with 2-button menu setting and temperature display

This is an OLED clock I built using an Arduino Micro, a tiny OLED 128x64 display using the SSD1306 controller and I2C interface, and a precision DS3231-based real-time clock module with rechargeable battery backup. It features a menu system for setting the RTC (no serial port or USB required)Two ver...

By: df99



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from Instructables: exploring - technology http://ift.tt/1FhJSMd