Home Automation techniques
In this paper, we make use of Home Automation
techniques to design and implement a remotely controlled,
energy-efficient and highly scalable Smart Home with basic
features that safeguard the residents' comfort and security.
Oursystem consists of a house network (sensors and appliance
actuators to respectively get information from and control the
house environment). As a central controller,
we used an
Arduino microcontroller that communicates with an Android
application, our user interface. Our house network brings
together both wireless Zigbee and wired X10 technologies, thus
making it a cost-efficient hybrid system. Events can be
programmed to be triggered under specific conditions, and this
can have a great role in reducing the total energy consumed by
some appliances. On the other hand, the system can suggest
smart task scheduling. The scheduling algorithm we present is a
heuristic for the Resource-constrained-scheduling problem
(RCPSP) with hybrid objective function merging both resourceleveling
and weighted completion time considerations.
Please upvote me ...!! 
Hi what so does chips in the photo (before the thank you photo)? Is it some kind of sensor?
That is an ultrasonic sensor, you can use it to detect distance from an object.
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