A4 and A5 are the proper pins for I2C devices on a nano board. Sounds like the RTC hasn't been given the run command. That software appears to print messages to the serial monitor in the IDE, what is it saying?
A4 and A5 are the proper pins for I2C devices on a nano board. Sounds like the RTC hasn't been given the run command. That software appears to print messages to the serial monitor in the IDE, what is it saying?