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LDmicro Forum - Interfacing GSM modem With PIC16F877A using RS232 |
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Interfacing GSM modem With PIC16F877A using RS232 (by Logan)
i am doing a mini project for my carrier under the title " GSM based Remote Control System". for this, i use PIC16F877A Microcontroller with few Inputs and Outputs. there is an RS232 port using PIC UART Pins.
i am connecting a GSM modem to the RS232 Port of PIC using a level Shifter IC MAX232. i am using AT command to trigger the Modem.i need to send AT commands and i need to read the a Message form the GSM and Take the values in the Message to process. i dont know how to send commands Continously and receive the Message inside PIC. Plesase Help Me out to Finish my Project. Also i am using DS1307 RTC IC for Date and time. i have connected this to PICs I2C port pins ( SDA to RA4/T0CKI) and SCL to RA1). i need to read Date and Time Into PIC.... how to do is? Please give some sample Programs....
no subject (by simon)
LDmicro has no I2C port , and on serial port , PIC can read one character one a time .
gsm interface (by sanjay)
i am doing a project based on GSM based home automation. for this, i use PIC16F877A Microcontroller with few Inputs and Outputs. there is an RS232 port using PIC UART Pins.
i am connecting a GSM modem to the RS232 Port of PIC please help me providing the detailed circuit diagram and description
Answer? (by Grant)
Look at foxdelta.
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