Search:

Here the info for Mexico:

xxx yyyyyyy

xxx = area code
yyyyyyy = phone number

You are rigth, according with the standard, the CMGS command needs a " for the phone number. But for some reason on my modem does not need it. I will change just to follow the standard.

Thanks for...

Here is a section from my program to send a sms. I'm using a WAVECOM modem, but I think the AT commans are the same for all brands.

sms:
HSerout ["AT",13]
HSERIN 5000, SMS,[WAIT("OK")] ...

Just pull up the MCLR pin with a 4.7k resistor. Or change the "MCLR Pin function" to "Input pin" on the meProg Configuration section.

See you!!!!!!!!!

Hi, I think a 7805 could be a solution for the output from the PLC to the PIC, but what about the output from the PIC to the PLC?
I still prefer the optocoupler solution for both sides.

Alfredo

WOOOOW!
Thank you very much for the info, now I can use your rutines!!! Your info fix my problem

Thanks again!!!

Alfredo

Hi Darrell, I tried to use your great rutines without any luck. I'm using a 18F248 sending CAN messages and I want to use a timer interrupt to send it.
Just to test the rutines I tried to compile...

Hi, the easiest way to verify to circuit (at least the max232 part) is to put a jumper between tx and rx pins (ttl section), so everything you write down to the PIC will be send it back to the...