GSM based home automation system | Microcontroller › AVR › GSM based home automation system This topic has 1 reply, 2 voices, and was last updated 7 years, 6 months ago by nilesh. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts March 23, 2016 at 6:56 am #4393 varshaParticipant hiiii Im working on SMS based home automation. I need c code for interfacing SIM300 GSM module with Atmega8L microcontroller. i want to control Relay. LCD is not connected. Plzzz provide if you have the code. Thank you.. April 1, 2016 at 10:56 am #13837 nileshParticipant Hi, Please go through this link (http://www.engineersgarage.com/contribution/home-automation-system-using-gsm-and-arduino?page=3). Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In