Tag Archives: diy gsm modem interfacing

Interfacing GSM SIM900A With Arduino

Hello Friends !  We are bringing to you the Tutorial for interfacing a SIM900A GSM Module with Arduino. This project uses Arduino Uno & SIM900A module and can be used to send a Text Message from your SIM900A to your Mobile phone. SIM900A GSM/GPRS Modem is built with Dual-Band GSM/GPRS engine- SIM900A works on frequencies […]