Motion Sensor Light as More Efficient in Saving Energy A Term Paper Presented to Mrs

Motion Sensor Light as More Efficient in Saving Energy

A Term Paper
Presented to
Mrs. Aurecel Laplana-Alejandro
School of Engineering and Architecture
Ateneo de Davao University

We Will Write a Custom Essay Specifically
For You For Only $13.90/page!

order now

We Will Write a Custom Essay Specifically
For You For Only $13.90/page!

order now

In Partial Fulfillment
Of The Requirements for
English 23 – Writing Across the Disciplines
First Semester, SY 2018-2019

Chavez, Al Gift R.
Mercado, Manuelle Marie S.
September 19, 2018

Motion Sensor Light as More Efficient in Saving Energy
By: Chavez, Al Gift R.
Mercado, Manuelle Marie S.

Thesis Statement: It is arguable that even though motion light sensors has its own duration in turning on and turning off, it has some problems with its sensitivity and it has false trigger, it is still more highly beneficial because it adds security to our home, it lowers energy cost and it helps the environment.
1.0 Introduction
2.0 Background
2.1 Definition of Motion Sensor Light
2.2 Description of Motion Sensor Light
2.3 Types of Motion Detector Systems
2.3.1 Active Motion Sensor
2.3.2 Passive Motion Sensor (Passive Infrared Sensor)
2.4 Process
2.5 Development
2.5.1 International
2.5.2 Company of Motion Sensor Light in the Philippines
2.6 Standards
2.7 Issues
2.7.1 Burglaries Rate Increase
2.7.2 Growth of Energy Cost
2.7.3 Environmental Impact
2.8 Motion Sensor Light
2.8.1 It Adds Security to Our Home
2.8.2 It Lowers Energy Cost
2.8.3 It Helps the Environment
2.9 Disadvantages of Motion Sensor Light
2.9.1 Motion light sensors has its own duration in turning on and turning off
2.9.2 Sensitivity
2.9.3 False Trigger
3.0 Refutation
3.1 Motion Sensor Light Must Be Situated
3.2 Architect Must Decide the Range and Scope Zone
3.3 Common Reason for False Alarm and What You Can Do About It
4.0 Conclusion
5.0 Reference Lists

Power conservation has the capability to reduce the quantity of electricity that is used for exceptional purposes. Individuals and companies that are direct customers of strength may additionally want to preserve energy to minimize strength fee and promote economic, political and environmental sustainability. It is no longer simply a stylish expression, it has now ended up as a necessity. The static technique of conservation like utilization of electronic gadgets with lower electricity consumption or scheduled energy cuts is not efficient. Why is electricity consumption necessary and how can it negatively have impact on the environment? The response for that may additionally not seem straight obvious, as we all use lights and equipment in our daily lives, even more continuously as technology adapts and makes energy consumption essential for work as well as leisure.
Human beings are wasting too much of electrical energy by not turning off the lights and many other electrical appliances when they are not using it. To overcome the problem we have discovered a device that can be fitted anywhere in offices or homes.
This paper discuss a dynamic automatic energy conservation device which makes use of wireless sensor networks (WSN) or what you called a motion sensor light. It is suitable for a lighting fixtures device and can be easily installed in structures as a wireless system, it significantly reduces the size and the cost of the device and is capable for lighting system. Motion detectors are small electronic device that detects infrared waves or heat waves that radiate form moving objects. We are using PIR sensor, PIR or Passive Infrared Motion Sensor to detect the presence of human. When the detector senses an object that is moving in the area especially the warmer objects such as people, animals and cars – it will automatically turn on the lights.
Savings on electricity is the most valued advantage of motion sensor light. Motion sensor prevents lights from turning on if it does not detect some heat of a human body which will quickly add up offset the charge on electricity bill. It is usually referred to as occupancy sensor because they accommodate energy consumption in some open areas.
It is arguable that even though motion light sensors has its own duration in turning on and turning off, it has some problems with its sensitivity and it has false trigger, it is still more highly beneficial because it adds security to our home, it lowers energy cost and it helps the environment.
A motion sensor light is an electronic device that is used for detecting a movement in a certain range around the detector. It includes a physical mechanism or digital sensor that quantifies movement that can be both integrated with or related to other devices (Chen, ND). This device is regularly coordinated as a phase of a system that therefore, plays out an obligation or cautions of movement in a zone. It frames a fundamental phase of security, robotized light control, house control and its effectiveness (Arthur, 2017).
Motion sensor light contains an electronic sensor which evaluates movement and can either be connected or associated with different gadgets which gives caution to the person near of a moving item that is inside the range of perspective of the sensor. It is a small electronic eye that detects infrared waves—heat waves that radiate from moving objects. When the detector senses an object moving across its field of view—especially warmer objects such as people, animals, and cars—it electronically turns on the lights (“How Motion Detectors Works, 2018).
There are two types of motion sensor, the active motion sensor and passive motion sensor. The active motion sensor designed to discharge an electrical signal that connects to a light detector. The motion sensor may alarm if the shaft gets interrupted. For example, a person walking near the sensor, it triggers the sensor to send a signal, which can open the automatic door, open a storage door or sound an alarm. This detector consists of two parts, the transmitter and the receiver. The transmitter emits a beam of infrared (IR) light and the receiver picks up this beam. When the beam is interrupted, the receiver alerts its alarm control panel by opening a relay. (Agarwal, 2015).
Passive Infrared Radiation (PIR) sensor locate the changes of the infrared radiation from the warmth of the moving object, specifically a human being in its specific range. (Nepal, Biswa, Adhikari, & Chencho, et. Al, 2013). When there is a sudden increase in infrared energy, an alarm is sounded or the light automatically turns on. Also, when a warm body leaves the sensing area, the reverse happens, whereby the sensor generates a negative differential change. These sensors are commonly used in indoor alarms (Agarwal, 2015).
The sensor itself has two openings in it, each space is made of a unique material that is sensitive to infrared radiation. The focal point utilized here is not generally doing much thus, we see that the two openings can ‘see’ out past some separation (fundamentally the affectability of the sensor) (Tarus, 2017). At the point when a warm body like a human or creature cruises by, it first blocks one portion of the PIR sensor, which causes a positive differential change between the two parts. At the point when the warm body leaves the detecting zone, the reverse happens, whereby the sensor creates a negative differential change. These change beats are what is recognized (Berna, ND). This framework includes two infrared sensors, and an electronic latch control circuit to control the automatic light switching system. An Infrared transmitter and receiver sensors are set at the entryway and door frame to automatically switch the lighting system upon opening the room’s door. In view of the infrared control circuit framework, the desired light is maintained switched ‘ON’ when the room’s door is closed during occupancy. The electronic latch control circuit can be adjusted to automatic switching, depending on the environmental intensity of daylight. At the point when the entryway opens after an inhabitancy, the electronic latch control circuit sends a signal that switches ‘OFF’ the lights of that room quickly when the transmitter and beneficiary of the infrared control sensors framework are associated. The programmed light exchanging framework additionally utilizes the Light Dependent Resistance (LDR) to the electric energy use during sufficient daylight. This will help to reduce the utility bill during sufficient daylight. Both control frameworks utilize normal electronic segments as this disentangles and lessen the costing of building up the programmed light exchanging framework control circuit (Sarban et al. 2009).
The expanded interest for location and checking amid World War II produced innovative advances in movement detecting. Radar, which had been created decades sooner, however, had not yet been completely developed, was currently being utilized to counter the preferred standpoint given via aircraft by enabling its detection. One of the principal uses of movement detecting outside the military was created by Samuel Bagno in the mid-1940s. Utilizing his insight into radar and recently created electrical segments, Bagno started doing research on an ultrasonic caution, which worked likewise to radar. His ultrasonic caution made “a web of ultrasonic waves inside a room” and identified the movement of man (Furnish, 2007).
According to Nicera Philippines Inc. the company was officially established on March 2001. It is a Japanese company that offers merchandise in the field of electronics, to provide advantageous discipline in order to grant recommended and most reliable give up effect of ultrasonic sensor products. It is currently engaged in the business of ultrasonic sensor manufacturing and buying and selling of related electronic components and products. Formally, the business enterprise has a strong back up from Nippon Ceramics, Co., Ltd., the Japanese company was established first at Tottorri, Japan in the year 1975.
Nicera operates within the secured vicinity of Subic Bay Freeport Zone (SBFZ). It is a continuously growing area driven by means of its imaginative and prescient to becoming a globally competitive, self-sustaining, and environment-friendly core for industry, commerce and different big investment. Its vicinity being at the heart of Southeast Asian place offers them superb access to any key cities in Asia. Nicera brand in Pyroelectric Infrared (PIR) and Ultrasonic sensors is the world’s top in sensored technology (NICERA Philippines Inc., 2003).
Based on Automation Industry put them, where you need the light to be turned on when you arrive. This would apply to the front and back sections, carports or zones in your garden. The perfect position is at a height of 2 – 3 meters above the ground and where it would detect most development in the pre-adjusted range over the sensitivity zone instead of specifically toward the detector. Obviously, that the edge of a room is the most noticeably bad place to make the most effective utilization of a movement sensor.
To avoid a nuisance triggering first, avoid pointing the sensor towards any light sources. Second is to avoid mounting the sensor close warmth sources, for example, warming vents, ventilation systems, dryer vents or lights. Lastly, avoid coordinating the sensor toward territories or whose surfaces are exceedingly intelligent or are subject to fast temperature change, for example, pools.
More Filipinos are reported being victimized by common crimes, such as robbery, burglary or car napping in the past six months, based on the latest Social Weather Stations (SWS) survey results. The nationwide survey, which used face-to-face interviews of 1,500 respondents last March 25-28, found 6.3 percent or an estimated 1.4 million families claiming they have lost property to either street robbery, burglars or break-ins, or car nappers in the past six months. Families who said they experienced home burglary barely changed from 1.8 percent (400,000 families) to 1.9 percent (435,000 families), as well as among those who said they were robbed of a motor vehicle from 0.5 percent (42,000 families) to 1 percent (83,000 families) (DE VERA-RUIZ, E. and KABILING, G. 2017).
According to the North American nation Department of Justice Bureau of Justice Statistics, burglary rates systematically increase throughout summer months once families’ area unit most frequently away from home on vacation. It only takes a burglar an average of 8-12 minutes to urge into a home, steal, and find out. To keep the time within the home as short as possible, burglars don’t want the danger of running into the house owner. No lights on round the home, even throughout the day, is a straightforward indicator that you’re either not home or sleeping. Usually the crime takes place in an area with total darkness (Homespire, 2018). The association between light and crime might not be what most people assume it’s, however the connection between light and our sense of safety is precisely what it is often been (Riggs, 2014). Outdoor lighting is meant to reinforce safety and security at midnight, however an excessive amount of lighting will even have the other result. Visibility should be the goal (“Lighting, Crime and Safety”, ND)
Conserving energy isn’t almost about saving on your electricity prices. The Organization for Economic Co-operation and Development (OECD) warns that, given this trends, energy-related emissions can increase by 70% by 2050. The result of overusing electricity energy is an increased costs for the electricity bill. Human will be paying more without an appreciable return on their investment (Rogers, ND).
One zone that is a significant weight in the home spending plan is power utilization. It’s as of now a substantial cost as it might have been. Yearly, a large number of family units utilize power, expending a huge number of gigawatt hours. Despite being an underdeveloped nation, the Philippines has a standout amongst the most costly rates in power. In different nations, a 2,000-square-foot loft would expend around $60 to $70 charge every month. In the Philippines, it is generally around $450 – or around P18, 000. In Metro Manila, an 85-square-meter flat devours a normal of P4, 840 month to month in power (The Freeman 2017). Our overuse electricity can contribute to an insufficiency during this energy provide and so an increase in overall electricity prices (Rogers, ND). According to Department of Energy (DOE) data showed, Philippine power rates remain one of the highest in Southeast Asia as of 2016 due to continued lack of government subsidies (Rivera, 2017).
According to a file by using the International Energy Agency, the low energy mild bulb and lighting bulb compose of a mercury. Without the mercury, there would be no visible light from the light bulb (Mcsmith, 2006) and gases that absorbs and discharge radiation into Earth’s atmosphere (Thompson, ND). That can prevent accretive of 16 billion of carbon dioxide which affects the global warming, also causes climate change (Mcsmith, 2006). According to a 2014 IPCC (International Panel on Climate Change) report, electricity is responsible for about 25% of greenhouse fuel emissions which makes it the largest forcing thing of global warming (Williamson, 2017).
We’ve all been liable of leaving lights on superfluously at some time – our recent study bad energy habits found that 20% of us admit to leaving lights on in void rooms in any event once per week (Miller, C. 2011). “Not only does the use of fossil fuels have a detrimental impact on the environment; the collection of these fuels also can be damaging to the environment. Since making and consuming energy has bad effects on the environment and, the acquiring of the fossil fuels has bad effects on the environment, then it stands to reason that the worst sin against the environment is wasting energy. Wasting energy causes both long-term and short-term negative consequences to the environment” (UK Utilities 2017).
Based on Global Security Experts, there are two different ways that a movement actuated light can stop a criminal—through its startle impact and brief blinding brightening. In spite of the fact that hoodlums know about how movement sensor lights function, the high adrenaline levels they encounter while examining their wrongdoings makes them profoundly fearful and simple to startle. This by itself can make a criminal inquiry whether somebody can see them and if continuing further is justified regardless of the danger of conceivably get captured or potentially even shot by the inhabitant. On the off chance that you utilize committed security lights that run throughout the night, offenders can really profit by knowing which territories are lit and which zones are in shadows. With movement sensor lighting, the criminal may set foot on your property — however then they keep running when the lights initiate (Spyrka, S. 2015).
Motion sensor switches use about a watt of energy on standby mode (23 hours a day) and 5 watts on active mode (about an hour a day). This trims a bit off of your overall savings. Over the course of a month, assuming your electricity costs the nationwide average of 5.96 pesos per kilowatt hour, the switch itself will devour 0.84 kilowatt hours, or about 4.87 pesos of energy (Hamm T. 2010). Incandescent flood lights with a photo sensor and motion sensor may actually use less energy than pole-mounted high-intensity discharge (HID) security lights controlled by a photo sensor. Even though HID lights are more efficient than incandescent, they are turned on for a much longer period of time than incandescent using these dual controls (Schultz, M. July 2017). It has been estimated that the use of motion sensors in commercial buildings can reduce energy use by up to 30% 2. These systems work best in large buildings, so are mostly used by businesses and organizations. However, similar systems can be of value to private homeowners (Barret, A. September 2016). Much alleged security lighting is outlined with little idea for how eyes – or offenders – work. Marcus Felson, a teacher at the School of Criminal Justice at Rutgers University, has reasoned that lighting is viable in forestalling wrongdoing primarily on the off chance that it empowers individuals to see criminal movement as it’s occurring, and on the off chance that it doesn’t assist crooks with seeing what they’re doing (Owen, D. 2007).
Power itself is not really safe to the earth. It gives light, powers apparatuses, and even warms homes. Be that as it may, the fuel to deliver power can be inconceivably inconvenient to nature. The consuming of coal and gaseous petrol makes an enormous measure of carbon dioxide that the earth can’t stay aware of. Motion sensor lights only consume power once it is activated, which means less electricity consumption, less energy requirement and lesser carbon footprint making motion sensor lights very eco-friendly (Cosmato, D. 2011). Although changing light bulbs is also a way to reduce energy consumption, if the problem is that lights are left on needlessly, there is a solution that can reduce the environmental impact as well as the cost of electricity consumption. Motion sensor switches, which are light switches that turn on when they sense someone in the room and are switched off after a certain amount of inactivity (which can be set by the individual), can be installed in the home, to reduce the possibility that lights will be left on and waste electricity (Sarkisian, E. 2016).
A sensor light often has a timer that keeps the light on for a set measure of time after the sensor is activated, some of the time the time delay is client flexible, this is to “spare” power and particularly spare battery life on sunlight based sensor lights (Johnson D. 2017). During emergency lockdowns, motion light sensors is bit of a problem, we have to turn off any lights where possible. Staying still will prevent motion sensors from activating lighting (Devlin, C. 2011). The sensor can be set to remain ON for any timeframe between approx. 8sec (control turned completely clockwise) and a greatest of 12min (control turned completely anticlockwise). Any development distinguished before the set time has passed will re-begin the clock, along these lines, holding the lighting on. After the light switches OFF, it takes approx. 1 second before the sensor will begin recognizing development once more (Sreeraj et al 2012).
The sensitivity of motion sensor lights is sometimes bit of a problem. The hotter the temperature field is encompassing a movement actuated light, the less delicate it is to warm objects entering the field. Since the adjustment in temperature between the warmed question and the warmed field around it is less exceptional, the movement enacted light may have a harder time distinguishing it (Sanders, ND). Movement sensor depends on the break of a light emission light. At the point when that beam is broken, the finder realizes that there’s movement in the territory. At that point the alarms alert, telling the owner of the house there’s somebody or something in the region. In any case, when a sensor gets too warm it can experience difficulty perusing or detecting that beam, which can mean a false alert that there’s movement in the territory (Protect America 2018). Sensors work optimally at ambient air temperatures of around less than 20 but more than 15 degrees Celsius. If the temperature exceeds to 30 degrees, the field of view narrows and the sensor will be less sensitive. Alternatively, if the temperature is below 15 degrees, the field of view widens and smaller or more distant objects will activate the sensor (Sreeraj C., Usman P., Chandran V., Vishnu P. 2012).
Sometimes motion light sensors have this unwanted shut off and on of the lights due to false trigger. Motion locator being activated by something other than movement. Some of the time these sensors appear to alert when there’s nothing there, or they turn on a light or other gadget —, for example, a camera — that they’re intended to turn on when they identify movement (ProtectAmerica, 2018). One of the causes of false trigger are Flying or crawling insects; spiders like to make homes in corners and anchor their webs to the sensors, curtains or plants blown by air conditioning or heaters, low batteries, ceiling fans, and objects moving near motion sensors, which are common to our houses (Sreeraj et al 2012). Several companies feel that motion detectors can lead to more false alarms. According to Hamm, “A motion detector may activate falsely for several reasons. It could be the result of improper installation of the device, such as placing it above a heater or furnace. A false detection could be caused by the movement of objects such as balloons, blinds, and curtains within the range of a motion detector. If false alarm activations continue the motion detector may require relocation or adjustment and this is one of its disadvantage, harder to turn off in lock down situation.
Sensors can be controlled and changed in accordance with address the client’s issues. Normally, two types of control are offered: sensitivity and time delay. A sensitivity setting empowers the client to change the magnitude of movement of the main source of application issues is improper coordination between the required scope territory and required sensitivity. The architect must decide the range and scope zone for the sensor, in view of the desired level of sensitivity. Appropriate sensor area guarantees the littlest chance of nuisance switching, that the lights will turn on when a person enters the space, and that the sensor maintains an unobstructed line of sight to task areas at all times. Notwithstanding area, the sensor should likewise be situated. Ultrasonic sensors, for instance, ought to be arranged toward the region of most noteworthy movement in the space. What’s more, the creator must decide if the sensor will be introduced at the divider switch, divider/corner, roof, or assignment. Ceiling-mounted sensors are appropriate for large areas that feature obstacles such as partitions, in addition to narrow spaces such as corridors and warehouse aisles. Units can be networked for control of areas that are larger than what can be controlled by a single sensor. These sensors typically present a two to three times higher installed cost than wall switch sensors, but can be very economical if controlling large zones. High wall- and corner-mounted sensors are similarly appropriate for coverage of large areas that feature obstacles. Wall switch (wall-box) sensors, relatively inexpensive and easy to install, are appropriate for smaller, enclosed spaces, such as private offices with clear line of sight between sensor and task area. Workstation sensors are appropriate for individual cubicles and workstations. The sensor is connected to a power strip for simultaneous control of lighting and plug-in loads such as computer monitors, task lights, radios, and space heaters (DiLouie, 2007).
Motion light sensors is a must nowadays because it is still more highly beneficial that it contributes significantly to the reduction of energy consumption even though it has some problems like its sensitivity, it can trigger any moving objects even flies. Motion sensors are one low-upkeep strategy for eliminating power charge charges from lights left on when nobody is home or in a room.
There are a lot of reasons why we should use Motion Light Sensors as substitute to ordinary light bulbs. First, it lengthens lifetime on light bulbs. Motion sensors decrease the time lights remain on, they will stretch the life expectancy on lights. Second, it determines crime. Second, will pinpoint the area of a conceivable vandal making it harder for them to move around without being spotted. Then, it lowers energy cost. Lastly, motion sensor light keep lights from turning on in zones that are not being used them which will rapidly mean balance the cost of the speculation on control bills.
Nothing is perfect in this imperfect world so in everything there is always something that could make it wrong, just like motion light sensors, even though it is very efficient to use it also have its lapses. Its limited area of use, only a few areas like toilets and storage closets are suitable for motion sensor use. Motion sensor lights are often huge deterrents for trespassers and thieves. These lights are designed to turn on when they sense movement around your property to alert you of a possible intruder’s presence and scare them away. Not only do motion sensor lights help to prevent break-ins, they also have the potential to reduce your energy costs. While using the motion light sensors you are helping mother earth at the same time.

Reference Lists
(2012, August 19) Retrieved from
(2014). Climate Change Indicators in the United States, 2014. Retrieved from full-2014.pdf
(2018). 5 House Habits that Attract Burglars and What to Do Instead. Homespire.
Retrieved from
Agarwal, T. (2015, March 23). Different types of motion sensors, working and
Application. Retrieved from
Arthur, (2017, July 27). Motion detectors explained. Retrieved from

Motion Detectors explained

Barrett, A. (2016, September 30). How far can motion sensors save energy used for lighting? Retrieved from entry/2776/How+far+can+motion+sensors+save+energy+used+for+lighting’3F/
Berna, S. (ND). A Guide to IR/PIR Sensor Set-Up and Testing. Retrieved from
Chen, J., (ND). Motion sensor. Retrieved from
Chodon, P, Adhikari D, Nepal C, Rajen Biswa R, (June 2013). International Journal of
Electrical, Electronics and Computer Systems. Passive infrared (PIR) sensor based security system. (2)14.
Cosmato, D. (2011). Electricity Consumption and Environmental issues. Retrieved from environmental/articles/85598.aspx
Devlin, C., (2011, November 26). Health and safety – campus safety and security
Retrieved from
DE VERA-RUIZ, E. and KABILING, G. (2017, April 25). Common crimes increase in 1H – SWS poll 1.4M families’ lost property to thieves; Palace blames ‘Tokhang’ suspension. Manila Bulletin, Retrieved from bulletin/20170425/281500751137920
DiLouie, C. (2012, April 05). Occupancy Sensors 101. Retrieved from
Energy saving tips for lighting, (ND). Retrieved from
Furnish, T. (September 3rd, 2007). Electrical Engineering, Energy & Sustainability.
Retrieved from
Gunderson, A., (2018, April 11). What Causes False Alarms On Home Security Systems?
Retrieved from
Hamm, T. (2010), Does a Motion-Activated Light Switch Save Money? Retrieved from money/
Handyman, T. F. (2018, March 21). How Motion Detectors Works. Retrieved from
Irimia, R., Gottschling, M. (2016) Taxonomic revision of Rochefortia Sw. (Ehretiaceae,
Boraginales). Biodiversity Data Journal 4: e7720.
Jain, P., (2012). Motion detectors or motion sensors. Retrieved from
Johnson, D. (ND). Retrieved from
Kumaar, A., Kiran, G., & Sudarshan, D. (2010). Intelligent lighting system using wireless
sensor networks. International Journal of Ad Hoc, Sensor & Ubiquitous Computing (IJASUC), 1(4). Retrieved from
Mcsmith, A., (2006, July 3). A bright idea: How changing light bulbs helps beat global
warming (and cut bills). Retrieved from
Miller, C. (2011, May 31). Environmental Tip: Turn Off the Lights, retrieved from tip-turn-off-the-lights/
Motion Light Sensors, (ND) Retrieved from -controls/light-motion-censors
Motion Sensor Tips and Tricks Protection 1. (n.d.). Retrieved from
(ND). Five causes of PIR false alarms. Retrieved from

Five Causes of PIR False Alarms

(ND). Lighting, Crime and Safety. Retrieved from
(ND). Retrieved from
(ND). Retrieved from
Nepal, G., Biswa, R., Adhikari, D., Chencho, Chodon, P., Gyeltshen, S., (2013, June).
Passive Infrared (PIR) sensor based security system. International Journal of Electrical, Electronics and Computer Systems (IJEECS), 14(2), 772-776
Retrieved from
Nicera Philippines Inc. (2003). Retrieved from
Owen, D. “Making war on light pollution.” The Dark Side August 20 2007. The New Yorker web. 1 September 2018.
Piekarz, J., Mesagna, G., Berger, R., Illig, D. (2012). Dormitory Motion Sensor Lighting. Retrieved from ng_2012.pdf
PIR Motion Sensor. (n.d.). Retrieved from
Protect America. Retrieved from
Riggs, M., (2014, February 12). Street Lights and Crime: A Seemingly Endless Debate.
Retrieved from
Rivera, D. (August 25, 2017). Philippine electricity rates still highest in Southeast Asia.
The Philippine Star. Retrieved from still-highest-southeast-asia
Rogers, C.D (ND). What Are the Effects of Overusing Energy? Retrieved from
Sanders, J.W., (ND) Retrieved from
Sarban, S., Singh, R., & Fayeez, Ahamed & Salim, Sani & Wong, Yan Chiew. (2009).
Door Sensors for Automatic Light Switching System. 574 – 578. 10.1109/EMS.2009.75.
Sarkisian, E., (2016, April 25). Benefits of using motion-sensor light switches
Retrieved from
Schultz, M. (2017, July 27), Do Motion Sensor Lights Save Money? Retrieved from
Spyrka S. (2015, September 15). What Are the Benefits of Motion Sensor Lighting? Retrieved from sensor-lighting/
Tarus, Z. (2017) PIR Sensor-based Security System. Retrieved from
Thompson, V., (ND). How Does Electricity Affect the Environment? Retrieved from
The Freeman (2017, January 21). Saving on electricity cost at home. Manila Bulletin, Retrieved from freeman/20170121/281694024486338
The Surprising Role Motion-Activated Lights Play in Home Security. (2015, September 15). Retrieved from surprising-role-motion-activated-lights-play-in-home-security-2.html
UK Utilities (2017, March 4). The Environmental Effects of Wasting Energy. Retrieved from environmental- effects-of-wasting-energy/
U.S. Energy Information Administration (2013). Annual Energy Outlook 2013 with Projections to 2040. Office of Communications, EI-40 Forrestal Building, Room 1E-210 1000 Independence Avenue, S.W. Washington, DC 20585.
Wheelwright, T., (2018, January 9). ADT Home Security System Review.
Retrieved from
Williamson, W., (2017, March 1). Is it true that wasting electricity causes global
Warming? Retrieved from


I'm Dora

Would you like to get a custom essay? How about receiving a customized one?

Check it out

I'm Barry!

Would you like to get a custom essay? How about receiving a customized one?

Check it out