DS1307 pin out, introduction to ds1307, DS1307 working, DS1307 applications, DS1307 Hello friends, I hope you all are doing great. In today's tutorial, we are gonna have a look at detailed Introduction to DS1307. DS1307 is a real-time clock. It is a low power device and also has battery backup, which provides power when its external power supply not working or is off. It works on t ...