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The most common thoughts we all have while leaving our home are “Did I turn the gas stove off?,” “Is the water heater on?,” or “Did I lock all the doors and windows?” All these concerns will soon be known as “Pre-2013 Problems” if suhas Jain, Dhananjay Ku

and occupancy sensor. It houses Texas Instruments’ MSP430 microcontroller unit as well as the RF CC1101 chipset interfaced over serial peripheral interface (SPI) to the MSP430.

The RF adaptor communicates with the OpenWrt module router over a universal asynchronous receiver/ transmitter (UART). The data received from the RF module is used by the application in the OpenWrt router to sHnG D nRWifiFDWiRn WR DOO WKH FRnnHFWHG devices.

Door sensor. This sensor uses a TIMSP430 MCU and a CC1101 chipset. It sends messages to the router and to all connected devices in the area.

Motion sensor module. It uses a motion sensor incorporating TI’s CC1101 chipset. The wireless communication is done over sub-1GHz RF.

Working

The most distinguishing part of this product is that you don’t need a control panel at all. The product makes use of a Wi-Fi access point as the burglar alarm panel. Wireless repeaters are provided to boost the range. Enduser touch points are smartphones like iPhone, BlackBerry and Android phones.

“Our product makes use of gadgets already present in the house. Existing