A simple project to display real-time clock data on an I2C 16x2 LCD using an Arduino and DS3231 RTC module. Displays time and date in real-time. Uses I2C communication for both RTC and LCD. Easy to ...

Hardware: Arduino UNO; relay 5V=/230VAC; Clock I2C model DS3231; LCD I2C model 4 lines x 20 chr; 4 push buttons The relay can be activated by button, by 6 commutation tables. Each commutation at a ...