Aug 5, 2013 #1 N Ni yanfang Member level 3 Joined Jul 30, 2013 Messages 59 Helped 0 Reputation 0 Reaction score 0 Trophy points 6 Activity points 432 hello.Does anyone how to write concept on gprs modem-rs232-max232-at89c51 mcu based on sending sms ?
Aug 5, 2013 #2 bigdogguru Administrator Joined Mar 12, 2010 Messages 9,821 Helped 2,350 Reputation 4,694 Reaction score 2,272 Trophy points 1,413 Location Southwest, USA Activity points 62,387 The design may or may not require the use of MAX232 transceivers, depending on whether the GSM/GPRS module provides a TTL UART or RS-232 interface. Interfacing GSM Module with 8051 microcontroller (AT89C51) without using PC SEND MESSAGE THROUGH GSM MODULE SIM300 THOUGH 8051 FAMILY CONTROLLER BigDog
The design may or may not require the use of MAX232 transceivers, depending on whether the GSM/GPRS module provides a TTL UART or RS-232 interface. Interfacing GSM Module with 8051 microcontroller (AT89C51) without using PC SEND MESSAGE THROUGH GSM MODULE SIM300 THOUGH 8051 FAMILY CONTROLLER BigDog