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If possible configure your external interrupt pin to Edge triggered rather than level triggered. If you can do that, then you can safely skip checking for IR in a loop in your ISR.
Pseudo code
void main()
{
do {
delay(1 sec);
speed = count /2; turns
count = 0;
}while(1);
}
void...
ds1307 rtc c code for 89s52
HI guys, I think almost everything is discussed over here regarding I2c drivers. I also worked on exactly DS1307 with 89c52. If you need any further details, you are free to contact me
And watchdog timer just complicates your code. Actually, Why we use watchdog...
Re: C programming
check whether your directory path is good in your IDE. Track down the path and see whether all the header files stay in the directory. It might have happened that you deleted the .h files also in some cleaning process. Look for details
use google with the string "Data Loggers". You will get a lot of results on this. I have worked on a similar module but through serial and rj45 ports.
YOu can ping me back if you want know the rj45 way (embedded web server).
Regards
at89c52rd2
I am using a module which collects data and which contains microcontroller(at89c4051) with 12Mhz oscillator. i want to connect that module to a microcontroller(at89c51rd2) with 16Mhz oscillator. Please help me how to set the settings for rd2 processor to work in 9600 baud rate...
Hello everybody,
I am starting on a project which includes interfacing of microcontroller with lancard. I have to select the microcontroller for that purpose. If you have any idea regarding this, Plz suggest me a microcontroller. And if anybody has any information about Interfacing NIC rtl8139...
for testing hyperterminal u need to use RS232 transmitter like a programmed microcontroller which sends data. If you want to check your serial port then u can use loopback testing by connecting d type serial connector with rxd and txd pins shorted. so u can get what ever u send from ur pc. In...
Here is another method u can expand sinx in series
f(a+0)= f(0)+a.f'(0)+a.a.f''(0)/2...............
so for sinx=x+x^3/3!..........
so lim x-->0 sinx/x=lim x-->0 1+x^2/3!......= 1
hi
you can use system fuction for running any command compatible to command prompt so by giving the path of file as argument in the system function u can make all the files which are recognised by os to start.
cheers
bye
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