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Automation is accomplished by the use of a variety of sensors like LDR, IR, Temperature sensor for monitoring production processes, actuators, and numerous techniques and equipment. The automation system established in this project is an automatic lamp and an automatic fan. Light Dependent Resistor (LDR) Provides variable resistance based on light intensity. Microcontroller Interfaces with the LDR, processes light level data, and controls the lamp. An Infrared (IR) sensor uses infrared radiation to detect and measure various physical properties or presence of objects by that visitor count is monitored. Fan operation is based on temperature measurements and fire detection. When smoke or fire is detected, the microcontroller activates the L293D motor driver to operate the fan, Buzzer is used for alert and water pump is used when the temperature gets more. The Wi-Fi module ESP8266 is integrated to enable wireless communication, providing seamless connectivity between the system and user interfaces, such as mobile applications and web-based platforms. In this project mobile application is used. The IoT-based control framework allows real-time monitoring and control. In this project, an Arduino Uno acts as the central controller, It has different groups of pins that allow it to connect with sensors, modules, and output devices. For displaying real-time information, a 16x2 LCD with I2C module is connected to the Arduino, showing sensor readings and system status. By integrating all these components, the Arduino Uno coordinates sensor inputs, processes the data, and activates outputs, thereby creating a fully automated and remotely monitorable auditorium system.