Learn interfacing DS3231 RTC Module with NodeMCU December 17, 2018 Iotguider Leave a comment Related Posts:Learn interfacing DS3231 RTC Module with NodeMCULearn interfacing DS3231 RTC Module in ESP8266Learn interfacing DS3231 RTC Module in ArduinoLearn interfacing DS3231 Real Time Clock in Raspberry PiSerial communication between NodeMCU and ArduinoHow to Program NodeMCU with Arduino IDE