Search found 20 matches

the program was not overflow for every 60s, it overflow for every 1s only.what actually the "set_timer1 (29000)" do?

i want to make my system interrupt for every 60s, but my code seem like not working correctly, anyone can tell me?
code:
#include <16f877a.h>
#fuses hs, nowdt, nolvp, noprotect, noput, nobrow ...

means how can i make the timer to overflow for every 60 seconds

how can i make the system interrupt for every 60 second? and how can i calculate the cycle if i'm using 4 MHz crystal ? newbie in interrupt, thanks

how can i make my program to wait for 60 seconds then run my specific sub-program? i'm using 4 MHz crystal

I agree with you all..

i'm newbie in PIC, can anyone tell me what the different between UART, SPI and I2C? and what is the relation rs232 serial protocol...thanks for your help

I need to use a PIC16f877 to interface 2 LCD at the same time with keyboard input. Can anyone give me an idea how to shift a character from first LCD to second LCD? thanks

i have a JDM PIC programmer, it can works well with PC but cannot work with my laptop....anyone can suggest me how to solve this problem....thanks Smile

how can i adjust the lcd driver to be more flexible??i want to assign the pin by myself

i had modified my program, it's correct???

below is the code:
[code]
#include <16f877.h>
#fuses hs, nowdt, nolvp, noprotect, noput, nobrownout,nocpd, nodebug, nowrt
#device adc=10
# ...

i'm still don't know to use the kbhit(), anyone can teach me how to modified my program by using kbhit(). thank

thank for your reply PCM programmer, but can you show me some example about kbhit(), because i'm a bit slow to catch up... thank, hope i din't bring trouble for you.

i had wrote a program that will receive signal from lm35dz then show result on LCD and also it can send the result to VB program i wrote.

but my problem is the PIC program won't run when it not con ...

Can you give me an example???sorry for my last posted