WIRELESS CELLPHONE DETECTOR SYSTEM

ABSTRACT: There is great need to limit the use of cell phone at particular places and at particular times. Hence, the use of intelligent mobile phone detector is guaranteed. This work concentrates in designing a system that will dictate the presence of GSM signals...

WIRELESS AC VOLTAGE CONTROLLER

ABSTRACT: The project aims at controlling the AC power by using the concept of firing angle control of thyristors. design a circuit using TRIAC and optocoupler to make a 220V Wireless AC Light Dimmer with Android Bluetooth & Arduino We have AC loads everywhere...

TOXIC GAS DETECTION USING GSM TECHNOLOGY

ABSTRACT: The project aims to monitor hazardous environmental conditions, including toxic gases through a GSM modem. This project can be used in industry or mines to monitor and help people to warn about toxic gas conditions. This project even can be used as an air...

TEMPERATURE BASED FAN SPEED CONTROL & MONITORING WITH ARDUINO

ABSTRACT: In this project, we have described how to design Temperature Based Fan Speed Control & Monitoring With Arduino and LM35 Temperature Sensor. The microcontroller controls the speed of an electric fan according to the requirement & allows dynamic and...

SYMMETRICAL H-BRIDGE 7-LEVEL INVERTER

ABSTRACT: A Symmetrical multilevel inverter has been proposed using less number of switches. High quality output is derived due to the absence of lower order harmonics. The performance of  symmetrical H- bridge multilevel inverter with equal dc sources. This proposed...