Hello everybody, i would like some help in doing my project and it is basically a PIC ( 16F628A) interfaced to a GSM modem (WAVECOM FASTRACK M1306B ) where i will use the AT commands to send (only) a simple SMS to a phone number.
the problem is that i can not seem to get the AT commands to be sent from the PIC to the GSM modem and in order to identify the problem i did the following steps:
1- Check the connections and voltage drop in every important pin and everything turned out fine.
2- Test the GSM modem by connecting it the PC using hyperTerminal and i was able to send SMS to my phone.
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So sorry ....this is really embarrassing...i guess i rushed into it without taking good look at the website's name and i guess it is because there are a lot of topics regarding GSM modem interfacing...