Digital Clock using 8051 Microcontroller


The 8051-based Real-Time Clock employs an RTC DS1307 and I2C protocol for uninterrupted time display, with a 16×2 LCD module used to showcase the time in hour, minute, second, date, month, and year format, serving as a crucial component for accurate timekeeping in various applications.

Project Information

The 8051-based Real-Time Clock is a digital clock that utilizes an RTC DS1307 and operates on the I2C protocol, providing uninterrupted time display even after power failure, with the ability to maintain and update real-time information. This project employs a 16×2 LCD module to showcase time in the format of hours, minutes, seconds, date, month, and year. Real-time clocks are commonly employed in computers, homes, offices, and various electronic devices to ensure accurate timekeeping. The I2C protocol serves as a means to connect multiple devices to a single system, utilizing two wires and enabling communication between up to 127 devices and a single processor, typically operating at a frequency of 100KHz.

Additional Information

Language used:- embedded c

Components Required:

  • Graphical LCD
  • AT89c52 8051 Microcontroller
  • 7805 voltage regulator
  • 1000uf capacitor
  • 10 uF capacitor
  • 10K resistor
  • 10K POT
  • Crystal Oscillator 12 MHz
  • Connecting wire
  • Bread Board
  • Burg strips male
  • LED
  • 220 Ohm resistor
  • 1K resistor


There are no reviews yet.

Be the first to review “Digital Clock using 8051 Microcontroller”
Contact UsHere's your new discount product tab.
Shopping Cart