ESP8266 NodeMCU DS1307 RTC Real Time Clock with OLED
In this tutorial, we will learn to interface DS1307 RTC module with ESP8266 NodeMCU board. Firstly, we will look into these questions: What is RTC (Real-time clock)? Why real-time clock is used? How a RTC module communicates with ESP8266 on an I2C communication bus? How to make a digital clock using ESP8266 and DS1307 RTC … Read more
