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HI,
i sent at command "AT+CSCLK" through hyper terminal and responded as ok. after that the sim900 is not at all responding to any of the commands.
what is the problem with at+csclk" command . i dont know what this command does actually.
please reply me . i need help .
hi,
i have gsm sim900 module. when i connect adapter to it it will come into power down mode by default ,when i press the power button provided over gsm module it will come into ready state . without pressing this button is there any AT command to get module into ready mode.
hi ,
i solved the problem . the problem was my mobile sms settings(text messages ) input mode was in unicode mode. i changed it to gsm aplhabet/automatic it works fine now. the problem was not with gsm module .
hi , actually the code works fine with sim300. but problem is with only sim800.
at+cmgf=1 command i have sent to module from microcontroller got ok response from the module but still same problem is there.
i would like to know what is the command to Read the GSM SIM 800 module settings . I would like to confirm the command i gave to set the module to Text Mode has been saved .
are there any other settings (initialization ) related to PDU mode as the Messages being Sent from the same GSM are...
hi
i am sending the sms to the sim800 module but it is reading it in hexadecimal format. so my controller is not understand what am i sending. so please tell me how to overcome this problem.
the response from sim800 when i send sms comes as fallow in hyperteminal.
+cmt:"number", "" ...
the same code was working fine with sim300 module.
error is as fallows:
at+cmgs="xxxxxxxxxxx"
error
"message"
at+cmgs="xxxxxxxxxxx"
error
"message"
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thank you . i solved the by introducing 2 seconds delay between "message string" and ctrl z to give time to module to...
hi
SIM 800 while sending the sms of size 120 characters get error response when recipients.
are more than 5. I have provided delay of 1 Second between 2 messages.
i am using 19200 buad rate , 8-N-1 frame format.
sending single messages works well.
what is the standard...
hi
SIM 800 while sending the sms of size 120 characters get error response when recipients.
are more than 5. I have provided delay of 1 Second between 2 messages.
i am using 19200 buad rate , 8-N-1 frame format.
sending single messages works well.
what is the standard delay to be...
hi everybody on the forum,,,,please help me
now we are using 4 wire sensors/detectors interfacing to the panel where four wires consists of 12vdc, gnd ,alarmin and alarm out, where alarm out is connected to atmega microcntroller's port pins where it reads any signal change.
now we are planning...
hi , when i am loading the hex file into the proteus for atmega32 , i am getting an error like '''invalid opcode 0xFFFF at PC = 0x7002'''
please anybody help me to solve this error...
thanks
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