So we are going to interface GSM with a 8051 microcontroller (AT89S52). It’s very easy to interface GSM with 8051, we just need to send AT commands from microcontroller and receive response from GSM ...

Interfacing ADC0808 with 8051 Microcontroller ADC is the Analog to Digital converter, which converts analog data into digital format; usually it is used to convert analog voltage into digital format.