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Nowadays, using the wireless sensor network (WSN) technology to monitor the environment helps someone to solve the problems of deployment difficulty, high cost, and realized unmanned monitoring which is mostly used in factory, buildings, laboratory and house. This project is to study the range and performance of the RF 433MHz module for WSN application. RF 433MHz module are popular used in remote control system. This range also available to use in this area. There are two types of the RF module which is transmitter and receiver. From research, using RF 433MHz module, the data can get more accurately without any data losses with the range that given than compared to other transmission for wireless sensor network.
The range that can reach by this RF module are different between outside and inside area. For inside area, it can work for 50 meters through multiple walls with an antenna, while for the outside area, it will be able for hundreds of meters. Besides that, a microcontroller such as Arduino also used in this project. Arduino that available for this project is Arduino PRO which is it have 3.3V port that will be easier to connect directly to the types of RF 433MHz module that used in this project.
This project also will be studied the analysis of the data transmission by giving a few of distance between the transmitter and receiver of the RF 433MHz modules when located in the obstacles or line of sight area. Then, the data that are received will be displayed on the computer whether there are data losses or not.

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Nowadays, in this time and age suicide has been one of the important reason that should be worried about. Teenager cases in suicide had been increase year by year. They do not think wisely when they feel depressed and anxiety, that is why they committed suicide because they think that is the only way to run and solve the problem. Besides that, they should be worried and think what the effect to their parents. Committed suicide among teenagers usually happens after a stressful in life, having a problem at school, death of family member and family problems. The number of rates suicide between boys and girls. Boys use a drugs and overdosing is one of the way to committed suicide. Furthermore, girl use a knife to cutting themselves instead of jumping from high. It is so hard and tough to be felt as a teen because their stuck between childhood and adulthood. Young people who have mental problems such as depression and anxiety are at high chance to get suicide. Some of the teenagers face a challenging life when their parent divorce or separating from each other as a common problems because of a financial problems. Other than that, teenagers who easily committed suicide when their being a victims of bullying. Teenagers felt their pressure to do well in their academic. One of the reason why teenagers committed suicide because their feel loneliness or frustration of something and their parents or siblings never care about teenagers feeling. Parents should be oversee their children so that they do not committed suicide whenever their feel depressed or stress. Therefore, there are a few causes of why teenagers committed suicide.
Firstly, the things that we do in our life is actually depends on ourselves. Everything that we do we must think the good and bad result before we do something. Next, sometimes people do not think carefully about something that their want to do. In this globalization era, teenagers like to share their problems on social media and when their get denounces by the netizen. In addition, when their get too depressed their started to think unwisely and doing something bad to their self. It is important for parents to know the sign of teen who might committed suicide. Moreover, certain people says that when the teens going to harm self or killing themselves it just like seeking for attention but people who do not realize about that if teenagers being ignored when their seeking attention. It might be increasing the risk of them to cutting themselves or more even worse. On the other hand, it is important for parents to try keep the communication between them and let them express on how their felt. Parents should have shown their support to take those concern seriously. Subsequently, parents should be never underestimate what your teen is going through, this can increase the teenager sense of hopeless. In another way, if the teenagers do not feel uncomfortable or miserable talking with their parents, suggest another way such as school counsellor, another relative or clergy member. Parents really need to have their time for their teens and build a good relationship in between.
Moreover, young people who are started to think about committed suicide might also stop thinking about their future and they may begin to give away important possessions. Some people often feel uncomfortable on talking about suicide. However, asking your teens whether their depressed or thinking about suicide can be helpful. It is always a good idea to ask them, even though doing it can be so difficult but it worth it at the end of the day. Suicidal are felt very hopelessness and helplessness. Suicidal teens felt like they in a situation where there is no solution and their can see no way but death. However, the problems that teens has been facing through is like they do not the control to changer their situation instead of committed suicide. Next, other emotional teen causes their try to escape that feelings of pain, being unloved, victimization or loss. Teens might be felt like their feelings are so unbearable and never end, so the only way to help them to escape is suicide. Furthermore, teenagers might afraid of disappointing others it is like burden to their parents and this is one of the reason it can be additional causes of teen committed suicide. Subsequently, situations that drive teens crazy because of a detrimental home life or even a severe breakup can by contributing to causes of teen suicide. Moreover, there is a few of environmental factors occur together to cause suicidal feelings and behaviours.

Lastly, another causes that underlying issues is one of a mental illness. Most of the teenagers who attempt to suicide do so because of depression, bipolar disorder or borderline personality disorder. These kind of disorders that amplify the pain a teen may be facing through. It is because of this that any suicidal teen should be treated by a medical professional. What is the important to remember is that teens attempt or commit suicide not because of a desire to die but rather in attempt to escape from a bad situation or painful feelings. It is rare that the only a single event that leads to suicide. This mean that by helping them to turn around a bad situation or by teaching them on to deal with painful feelings, we can reduce the causes of teen to committed suicide. Most times, this requires professional help by a doctor or a psychotherapist and may also involve in the teens school, such as in case of teen bullying.

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In conclusion, we as a parents should acknowledge their teens many emotions. Next, parents should maintain a good communication with their teens. Suicide can be a very isolating experience for surviving family members because friends often literally do not know what to say or how to help. Seek out for supportive group of people to talk with about our teens feeling. If those around you seem uncomfortable about reaching out, initiate the conversation and ask for their help.

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Nowadays, use of drugs is a controversial topic in this society. In general, taking drugs and effect on it showed the direct link with the addicts. Drugs can found anywhere, so are the effect of drugs. When the drug affect the addicts, some effect will happen on the them in short or long term such as antisocial, losing their sight of goal and harming their health.
Firstly, a drug user will become antisocial expect the loved one such as family and their friends. They will avoid most or all the public situation after they have taking the drug over the times. For example, if a student was using the drug in the school, they will start to absent or quit the co-curricular activities or class. This type of person will always stay in their world and their mind after they involved in the drugs. This said that, they will withdrawal from normal social and may cause problem of various relationship. According to the Tinklenberg. J .R, (1975) , the both behaviour between taking drug without medical and antisocial are the complex. From this, taking drug will cause a person from a normally person to antisocial.
Not only drugs can cause someone become antisocial, but taking drugs will also cause a person losing sight of their life goal. They will lose sight of their future too. For example, if a student was taking drugs, he may stop attending to school or no done his homework. For a student taking drug, the college or university will not care anymore about it. They will quit the student from their college immediately. The parents of the student will also renounce their children even taking care them. According to the Foundation Recovery Network (n.d), drug addictions is a serious condition that affect drug user and cause them lose their sight of life goal.
Last but not least, the drugs will affect the health of the user. Drugs will always harm their health because drugs are the type of chemical. Different drugs will bring different effect. In general, some drugs will bring a effect that are long-lasting or permanently. For example, taking drugs will cause the side effect such as stroke, brain damage, lung disease and many more. Besides that, drugs such as cocaine, marijuana and many more will affect the user’s brain. It will affect their mood and instinct because the drugs target the limbic system and cause large amount of dopamine. The flood of dopamine will affect to the user’s feeling or emotional and cause them become happier. After the long term of taking these drugs, the drugs user’s nerve of brain will be spoil. The website, Gateway Foundation (n.d) said that more than 7 million suffer from illicit drug disorder and cause one in four dead.
In a nutshell, taking drug lead many bad effect such as antisocial, lose sight of the life goal and harming our health. It will affect to our life from a good life to a demon life. In my opinion, drugs lead harm almost without one profit so I give some advice to all people don’t try and take drugs. However, in this society, everyone must to build a cooperation between each other to avoid the action of taking drug.

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Nowadays, spending 45 minutes or even up to two hours to get to work in the city and back is no longer unusual for those living outside the city, except during school holidays. Back to

This situation is due to many factors. One of the factors is too many vehicles in one time, especially during peak hours (Ir Chin Kah Ting). This is the major factor that lead to traffic congestion as the population in KK is increasing year by year, which mean the car ownership also increasing. (Kalvin Liaw, The Borneo Post). The increase in vehicles ownership is the reflection of residents in KK’s improving affordability (The Borneo Post, December 2016). Together with surrounding district of Penampang, Papar, Putatan and Tuaran with a population close to 1,000,000, Kota Kinabalu has been experiencing rapid development within the last 20 years. (Daily Express, March 2015). Residents in KK has to face the jammed to get to work, sending off their children to school, to get to the university or even to get to the shopping mall. The residents have to spend their time longer on the road and sometimes when the traffic is worse than the usual, they tend to be late to get to their destination.

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Previously, the Kota Kinabalu city Hall (DBKK) Traffic and Public Transport Department has constructed few flyovers at important road junction to reduce traffic congestion. Two of the flyovers was at the Jalan Lintas-Kolam and Jalan Lintas-Mile 5 Tuaran by-pass intersection (The Star Online, December 2016). However, the flyovers only reduce the congestion along the flyovers as it will put all the cars in one particular road at the end of the flyovers and the congestion will begin again.

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