Introduction

This project is about designing a digital clock module using led dot matrix display .Microcontroller (8051) programs are developed to display time generated and characters.

This project consists of three major components, which are the microcontroller, the driver circuit, and the LED dot matrix board. LED dot matrix are well known as well as an effective and economical means of data distribution to the masses. The internal clock pulse of microcontroller is used to count time. The crystal oscillator generates the sequence of clock pulses. The encoded characters are stored into the memory of the microcontroller. During the process the data are sent to the LED dot matrix board for the display of current time through driver circuit. The advantages of this project are high visibility, low power consumption, relatively low hardware requirements and low cost.