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Project for pwm - how to combine tgt with ADC and PWM

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Re: project for pwm help

ask u all question den all sae tat.. super bo liao.. just tell mi what is DMX512? is for what?
 

Re: project for pwm help

do u all know what is DMX512?
 

Re: project for pwm help

what is that? tell mi how it work?
 

Re: project for pwm help

yes but i don't have the sample.. how do i write the code?
 

Re: project for pwm help

jason1987 said:
yes but i don't have the sample.. how do i write the code?
Click to expand...

why do you need the code if you have done everything, as you said earlier?
 

Re: project for pwm help

jason1987 said:
ask u all question den all sae tat.. super bo liao.. just tell mi what is DMX512? is for what?
Click to expand...

What is a "super bo liao"? Sounds like a big snake.
 

Re: project for pwm help

i have all my code and i have done it all the thing but lastly i got some problem which how do i talk to pc using industial protocol DMX512. i am using hyper teminal to talk to my board but how can i talk to the pc?
 

Re: project for pwm help

jason1987 said:
do u all know what is DMX512?
Click to expand...
It's a protocol used to control stage lighting, but I don't see how it fits into the orginal question. This thread is beginning to sound like an old "Abbott and Costello" routine!
 

Re: project for pwm help

what is that? RS485? i hv c c8051f226dk board how do i talk to the pc.. my teacher ask mi to use hyper terminal to talk to pc. using com port

Added after 3 hours 20 minutes:

help help
 

Re: project for pwm help

I didn't think the ancient 8051 was still used by students in Japan.

Lots of info about DMX512 on the net.
**broken link removed**
dmxphy1.gif
 

Re: project for pwm help

erm i have done it but the pc dun understand what i type.. e.g i type A pc output give mi rubbish output.. don't know what he type out

Added after 1 hours 2 minutes:

i having a problem.. i can tok to hyper terminal but why display at the pc all is rubbish word.. and i onli can type a character den press enter den will it will display.. why?

Added after 48 minutes:

i repeat in good sentence.. when i type A pc give mi rubbish letter which is nt A, meaning the PC don't know what am i typing..
 

Re: project for pwm help

if i post my code here.. can help mi check where is the bug? and i type someting out but the pc give rubbish... i dunno where is the error..
 

Re: project for pwm help

anyone help mi.. can tell mi hw RS232 talk to my project which is 8051?
 

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