Arduino-DS3231-LCD-Time-Display A simple project to display real-time clock data on an I2C 16x2 LCD using an Arduino and DS3231 RTC module.

There are only four components: an Arduino Nano, a DS3231 RTC module, a SSD1306 128×64 OLED module, and a momentary pushbutton.

Fibonacci clock on Arduino Nano ESP32 with NTP time from WIFI. A RTC DS3231 can be attached for an accurate time when no WIFI is available. A LDR controls the light intensity. In the menu that can be ...