Vermes
Advanced Member level 4
It is a design of simple clock, which is based on microcontroller AT89C2051 and PCF8583. The clock was mounted in analog wall clock – there was a space on its ring, perfect for presented here digital clock, so that the time is easy to read even at night. Program for this clock was written in C, Keil uVision4. You can set the time by pressin a button, which is used to enter the settings. Setting the current hour and minute is indicated by flashing display. To close the settings, just release the button for about 3 seconds. The clock is powered by 5V LM7805 and transformer 200mA. The device was closed in housing Z13.
Load for the processor was uploaded using programmer Wellon VP280.
Link to original thread (useful attachment) - Prosty zegar na uC AT89C2051 + PCF8583 w C