zubusha
Newbie level 5
Giant Clock Using PIC16F876a DS1307 ULN2003 And UDN2981 .
Shematic And Code Attached
Reason I Am Using ULN2003 And UDN2981 Is So LED Segment Size Can Be Any Size Can Vary Volt On UDN2981 According To Display No Harm Done For Other Chips, U Can Change Circuit As Ur Needs.
I Updated Full Files Including ASM And PCB Layout All, If There Is Any Correction In Asm Please Let Me Know, Zubusha[at]yahoo[dot]com Thanks.
Full Files Here And Will Stay There For Ever.
all files here
not change much.
main reason i get email is for ca and cc display
for that see the schematics,,
thanks..
- - - Updated - - -
attached here..
PIC16F876_DS1307_Giant_Clock8.asm
Software i2c
PIC16F876_DS1307_Giant_Clock9.asm
Hardware i2c
There Is Difference In Schematics..
All Updated
Shematic And Code Attached
Reason I Am Using ULN2003 And UDN2981 Is So LED Segment Size Can Be Any Size Can Vary Volt On UDN2981 According To Display No Harm Done For Other Chips, U Can Change Circuit As Ur Needs.
I Updated Full Files Including ASM And PCB Layout All, If There Is Any Correction In Asm Please Let Me Know, Zubusha[at]yahoo[dot]com Thanks.
Full Files Here And Will Stay There For Ever.
Code:
http://www.megaupload.com/?d=GHG1L1GJall files here
Code:
https://drive.google.com/open?id=0B1nMb4wlRBw7bFk0clYxVmpJU1E&authuser=0not change much.
main reason i get email is for ca and cc display
for that see the schematics,,
thanks..
- - - Updated - - -
attached here..
Code:
; ##############################################################################
; Will Work On Both DS1307 And PCF8563 (Comment "#define DS1307" For PCF8563)
; ##############################################################################
; Calculation All In BCD-BINARY-BCD
; ##############################################################################
; Adding 12/24 Hr Mode ( Editing Time And RTC Format All In 24hr Mode)
; ##############################################################################
; RB3 Pin Open For 12hr Mode
; RB3 Pin Soldered To Ground For 24hr Mode
; ##############################################################################
; For Comman Anode and Common Cathode Display See The Schematics..
; ##############################################################################
; RB0 Int For Time Updates.
; Only Hourly Update From Rtc
; ##############################################################################PIC16F876_DS1307_Giant_Clock8.asm
Software i2c
PIC16F876_DS1307_Giant_Clock9.asm
Hardware i2c
There Is Difference In Schematics..
All Updated
Attachments
Last edited by a moderator:
