Security systems are widely suggested for homes as well as other locations. Everybody wants to take necessary steps to prevent infiltration at home, thus this security is necessary. Intruders nowadays may take advantage of almost any illegal activity and wreak havoc on a property's security. The security of one's home is a critical concern that everyone faces in the current day. Libraries Libraries used in this project Arduino Library for Proteus: V2.0 (2021, used in this project) · latest version: V4.0 (October 2026) Flame Sensor Library for Proteus: V1.0 (2016, used in this project) · latest version: V2.0 (October 2026) PIR Sensor Library for Proteus: V2.0 (2020, used in this project) · latest version: V4.0 (October 2026) Gas Sensor Library for Proteus: V1.0 (2016, used in this project) ...