Author Topic: PIC16F84A-based LCD timer need help (Read 960 times)

su1c1d4l · « **on:** February 10, 2010, 04:20:04 PM »

Hi everyone!

Patulong nman po sa project ko, i need a timer (12-hour cycle) program displaying hours:minutes in the LCD with PIC16F84A . hnde pa po kc ako masyado marunong sa PIC programming eh. $:-\$ Bale yung project ko po mg aask xa kung anung time ise-set mo, first yung hours, then and minutes, pgkatapos at that time na naset mo mg aactivate ang AC lamps na nkakabit sa PORTA.

eto po ung schematic ng project ko.

Philippine Electronics Forum · « **on:** February 10, 2010, 04:20:04 PM »

su1c1d4l · « **Reply #1 on:** February 18, 2010, 11:15:13 AM »

ay mali pala ung schematic..

e2 na po:

Philippine Electronics Forum · « **Reply #1 on:** February 18, 2010, 11:15:13 AM »

ajrob · « **Reply #2 on:** February 18, 2010, 01:16:16 PM »

hahahahaha!!!

hindi rin ako marunong sa pic!!!!!!
am very sorrrryyyy!!!!

Philippine Electronics Forum · « **Reply #2 on:** February 18, 2010, 01:16:16 PM »

Kaizer03 · « **Reply #3 on:** February 18, 2010, 01:18:57 PM »

what language and compiler ang gagamitin mo?

we can help you on how to program it, but i think we cant make the whole thing for you=)

Philippine Electronics Forum · « **Reply #3 on:** February 18, 2010, 01:18:57 PM »

su1c1d4l · « **Reply #4 on:** February 19, 2010, 01:43:59 PM »

assembly po gamit ko and mpasmwin lg ung compiler. nagawa q na ang whole circuit with the relay, and currently im testing my program. hnd kc ako marunong sa tmr0 ng PIC16F84A, delay lg na subroutine gnamit ko as of now. $:-\$

Philippine Electronics Forum · « **Reply #4 on:** February 19, 2010, 01:43:59 PM »

Kaizer03 · « **Reply #5 on:** February 19, 2010, 01:55:33 PM »

do a quick scan in this book

http://www.mikroe.com/en/books/picbook/picbook.htm

you will find how to use TMR0 in PIC16F84A by analyzing the Assembly Codes=)
Processing interrupt caused by overflow on timer TMR0]http://www.mikroe.com/en/books/picbook/6_chapter.htm#6.4 Processing interrupt caused by overflow on timer TMR0

su1c1d4l · « **Reply #6 on:** February 19, 2010, 02:14:43 PM »

thanks, il read this one for now.

ajrob · « **Reply #7 on:** February 19, 2010, 02:30:34 PM »

have fun in reading!!!!

Kaizer03 · « **Reply #8 on:** February 19, 2010, 02:47:11 PM »

Quote from: su1c1d4l on February 19, 2010, 02:14:43 PM

thanks, il read this one for now.

goodluck=)

also you can find routines for the LCD in that book=)

motion55 · « **Reply #9 on:** February 19, 2010, 03:09:20 PM »

Quote from: su1c1d4l on February 18, 2010, 11:15:13 AM

ay mali pala ung schematic.. e2 na po:

Mali pa rin ata. The RESET pushbutton will short +5V to GND when pressed. Pin C1 of the switch should be connected to pin 4 of the PIC. Pero sa totoo lang, hindi mo kailangan ng RESET button. Pwede na tanggalin.

su1c1d4l · « **Reply #10 on:** February 19, 2010, 04:48:53 PM »

Quote

Mali pa rin ata. The RESET pushbutton will short +5V to GND when pressed. Pin C1 of the switch should be connected to pin 4 of the PIC. Pero sa totoo lang, hindi mo kailangan ng RESET button. Pwede na tanggalin.

thanks po sir!

Philippine Electronics Forum · « **Reply #10 on:** February 19, 2010, 04:48:53 PM »

Philippine Electronics Forum