Big 7-segment Digital Clock

 by slwthr
Featured
clock final.JPG
Using only 2 capacitors, 3 resistors, 4 BIG seven-segment Display, 1 xtal, 2 switches ,and 1 Microcontroller PIC, you can build this Digital Led Clock main circuit.

you can use common anode or common cathode display, just select the display type. Here is the pinout information:(I have attach the all diagrams of parts and 7 segments)

I'm used 4x 6" big 7 segment display's.

BUY CLOCK Completed DIY BOARD : http://www.ebay.com/itm/270939743809?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649#ht_1013wt_1265
 
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Step 1: Simple paper copy schematic

23062011573.jpg
here is the schematic and part list for the project.

IC - PIC16F628 / PIC16F84A
1-40 of 62Next »
natasha146 says: May 11, 2013. 8:42 PM
is there any reason why you use a950 and c1815 transistor?can i replace it?
rafanun says: Nov 29, 2011. 12:08 PM
hello,

can you send me full details of this clock?


rafa.nun@hotmail.com
slwthr (author) in reply to rafanunApr 15, 2012. 7:36 AM
please download the full project Clock.rar file in this page..Thanx!
slwthr (author) in reply to rafanunFeb 5, 2012. 1:41 AM
Sent a new design with hex code
akarmakar in reply to slwthrApr 6, 2012. 6:22 AM
Can you please send me the full details of this project with a proper circuit diagram ?

abhik14@gmail.com
098765 says: Apr 15, 2012. 4:17 AM
Can you send the list of the entire parts and entire circuit diagram of big seven segment clock to email below.
saba.sechennai@gmail.com
slwthr (author) in reply to 098765Apr 15, 2012. 7:36 AM
please download the full project Clock.rar file in this page..Thanx!
asankasrimal says: Mar 27, 2012. 8:20 AM
Have you .hex File for PIC16F628
slwthr (author) in reply to asankasrimalApr 5, 2012. 11:40 AM
Sorry!I heven't
ramesh77 says: Apr 1, 2012. 4:38 AM
Hi im interested on this very much.....can you please send me the circuit diagram and the .hex file if using PIC16F628A??

invdilshan@gmail.com
slwthr (author) in reply to ramesh77Apr 5, 2012. 11:37 AM
I don't have one for 16F628A..got one with 16f876
dansan101 says: Mar 12, 2012. 5:16 AM
Hi, im looking at replication this and i was wondering if you could tell me where you got the 7 segment displays, and if you could send me any of the relative informtion on the circuit. Cheers dan

d.p.sanson@gmail.com
slwthr (author) in reply to dansan101Mar 13, 2012. 9:15 PM
Here is the link for Large 7 Segment Display..Bit expensive than in Sri Lanka market.

http://www.ebay.com/sch/i.html?_nkw=7+segment+large

http://www.ebay.com/itm/MEGA-LARGE-122x90mm-LED-7-SEGMENT-DISPLAY-Ultrabright-Green-Anode-LARGE-CLOCK-/150751509515?pt=LH_DefaultDomain_3&hash=item23197d7c0b#ht_2131wt_1265

And sent the mail with new design!
gonzaled13 says: Feb 3, 2012. 8:40 PM
Can you send the list of the entire parts and entire circuit diagram to email below.
I only have 4 pcs. of 3 inch displays, will the clock work if I use them instead of the bigger displays.

Email- ed13_@hotmail.com
slwthr (author) in reply to gonzaled13Feb 5, 2012. 1:41 AM
Sent a new design with hex code
bita98 says: Oct 20, 2011. 9:58 PM
Hi, can u please send me the ciruict schematics and help me about how to connect the 7 segment displays to my microcontroller? I am using Bare_Bones Board as my microcontroller and was trying to use 74hc595 bcd, but my clock doesn't work.... Could u please help me
slwthr (author) in reply to bita98Oct 21, 2011. 9:47 AM
Dear friend,I haven't try any microcontroller circuit using "Bare-Bones Board"..I only used PIC microcontroller and assembly or C compile software's. But Bare-Bones Board has a Atmel chip and its own software nah.

Why your clock not working? what trouble you guess? what schematic you want?
Shabbar says: Sep 18, 2011. 11:13 AM
WOW =D
ecinev says: Mar 9, 2011. 5:26 PM
hey..what about the hex code
ecinev in reply to ecinevMar 9, 2011. 5:34 PM
(removed by author or community request)
slwthr (author) in reply to ecinevMar 9, 2011. 9:32 PM
Cool :)
ecinev in reply to slwthrMar 11, 2011. 7:07 PM
hey.. we're asked to built the same circuit in the josepino.. i tried your hex but it doesn't fit. .... Do you have the hex for it??? 2 capacitors, 7segment anodes, 10k resistor, pic16f84a, 2 switch... can you help me?? please...
slwthr (author) in reply to ecinevMar 11, 2011. 7:14 PM
which display size u used? Big 7 segments or small one? Microcontroller Circuit is just simple like this.(From Josepino) but If you are using Big 7 Segment you must have to build Transistor array(darlington) like this diagrams.then couple with microntroller out puts to Big 7 segment display's.

Does your 7 segments displays any thing??
cali909 in reply to slwthrSep 3, 2011. 12:23 AM
Hey wass up brother, man! that is a great digital 7 segment clock. I am interested after taking my first intro. class of engineering and about to complete my programming class. Arduino can I have a copy of you schematic and programming layouts to apply practice in my field.

Rgomezj909@gmail.com
ecinev in reply to slwthrMar 11, 2011. 8:13 PM
small one...but the display is incorrect..
slwthr (author) in reply to ecinevMar 11, 2011. 8:21 PM
please give me your email address,will massage you this clock modified version without transistors.(with darlington array IC control)
ecinev in reply to slwthrMar 11, 2011. 9:24 PM
(removed by author or community request)
slwthr (author) in reply to ecinevMar 11, 2011. 10:06 PM
your welcome. I will send it soon.
ecinev in reply to slwthrMar 12, 2011. 6:41 PM
(removed by author or community request)
slwthr (author) in reply to ecinevMar 12, 2011. 8:06 PM
u mean hex for this clock?? I have sent email yesterday,and find the attached zip file of Big Clock schematics and hex code). (from my hotmail : slwthr90@hotmail.com) so what diagram you want???
ecinev in reply to slwthrMar 12, 2011. 9:53 PM
i'm trying your hex for this diagram...just this diagram....
Capture.PNG
ecinev in reply to slwthrMar 12, 2011. 9:48 PM
i'm trying your hex for this diagram....just this diagram
Capture.PNG
ecinev in reply to ecinevApr 7, 2011. 5:11 PM
sorry for late thank you's...thanks again for helping me.. problem solved?!
hope you can help others as well.. :)
sponcio says: Aug 15, 2011. 4:43 PM
hi sir! can you pls help me to do a 7 segment clock (the small one like a match box) i just need the seconds .. what IC and schematic diagram will I going to use ??
vasanthsam22 says: Aug 8, 2011. 4:27 AM
hi bro i'm doing my 3rd yr ece but doesnt knw the basics but i like to do this clock so plz help me bro give me guidance and sent all the info of this clock to me
plz.....
vasanthsam22@gmail.com
dhudzs says: Aug 6, 2011. 8:24 AM
cool..
can you send me full details of this clock,

r_honrado@yahoo.com
saqlainmushtaq says: Jul 26, 2011. 12:53 PM
hi send me full details of this clock,


saqlain.naqvi@gmail.com
slwthr (author) in reply to saqlainmushtaqJul 30, 2011. 10:17 PM
Sent!
yixiong.86 says: Jul 22, 2011. 1:01 AM
Hi, Can also send me "yixiong.86@gmail.com" thanks
slwthr (author) in reply to yixiong.86Jul 22, 2011. 1:07 AM
Sent a new design with hex..
1-40 of 62Next »
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