GSM interface | Microcontroller › PIC › coding for project using PIC16F877A with GSM Module › GSM interface February 6, 2018 at 12:43 pm #14724 Hari Prasaath KParticipant Check The below link for GSM interface with PIC https://www.engineersgarage.com/embedded/pic-microcontroller-projects/interface-gsm-module-call-message-circuit