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hi sir i have written the following program to control the gsm module (SIM module)...the program is written on arduino platform the problem is that i am unable to transmit anything from micrccoontroller board even i have crossed rx and tx pins and grounded both the ports, so i am not getting any...
Hi
I am having troubles in connecting microcontroller and gsm. this is what i done
1. I used a male to male rs 232 (db9) cable
2. I connected crossed rx and tx of microcontroller and gsm modules.
In both the cases i was just sending AT and on receiving OK, i made a led high.
I have failed in...
Thanks for the quick reply.
I dont know abt the tpye of RFID reader :sad:..
I did use hyperterminal to check sim300, but i dont how to use it for a microcontroller...as in ...what instructions needs to be used send AT to Sim 300 from microcontroller?
Hi All
My projects demands me to send the rfid data to the server thru gsm module(SIM 300) i.e sms.
1. I unable to send the rfid data to microcontroller
2. How should i go about in sending an sms thru gsm module ?
I am using Arduino dev board, with Atmega8 microcontroller.
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