Embedded System Lab

Over the years it is found that the conversion from electrical energy to cool energy and controlling it, is a fractious task and this also takes more power consumption, since the conversion needs a heavy component like compressor and condenser. One of the major applications embracing the above conversion in our day-to-day life is Refrigerator and it is the only electrical appliance that is switched on continuously. The refrigerator itself takes around 50% of the total current consumed in a day. By the way it is hard to make the refrigerator as portable with the use of components like compressor and condenser. On the other hand, the chlorofluoro carbon (CFC) released from the refrigerator causes damage to the environment and also spoils the human health and causes many kind of diseases such as cataracts, weakens immune system and skin cancer. Thermoelectric refrigeration puts forth a way to achieve so, by means of Peltier effect - A voltage is applied across joined conductors to create an electric current. When the current flows through the junctions of the two conductors, heat is removed at one junction and cooling occurs. This kind of refrigeration doesn’t involve emission of harmful gases like CFC and it also enhancing performance of the refrigeration systems.

Water is the most important natural resource in human day today life. Human being needs water not only for drinking but also for cooking, washing, irrigation, etc. People have been abusing and misusing water since long. This work puts forth an idea to provide a solution for water management effectively and efficiently. The growing demands of water in urban areas due to the increased population and the lack of standardization among the water distributors lead to affect the quality and quantity of drinking as well as domestic water. Here raises the special concern towards the water wastage and to improve the efficiency in the water distribution system. The various advancements in the sensor technologies provide solution to overcome these challenges. This paper presents the system which will continuously monitor and analyze the quality and quantity of water being dispensed through the flow sensor and pH sensor and also allows the user to customize their limits. The sensors data streams online, get summarize and co-relate rapidly by means of IoT for the ease of billing. This system cuts down the water flow and also notifies the user when the water usage exceeds the limit and there is an anomalous water quality in the distribution system.

Taking care for the home medicated patients, elderly people and spending time in the busy schedule is a difficult task for the physicians and doctors as well. One of the primary and foremost things before treating patients is listening to Heart auscultation - heart sound and it also a very important method for the early diagnosis of cardiac dysfunction. Most of the nurse and even trained physicians are treating the home medication patients improperly. Traditional system using traditional acoustical stethoscope needs a doctor or nurse to ensure with the heart beats. Since the sound levels and the opening and closure of the auricle and ventricle valves can only get diagnose doctors. But the advancement in wireless communication field puts forth a way to provide solution for this problem. The emergence of the electronic stethoscope has paved the way for a new field of computer-aided auscultation, the sounds are captured from the surface of the skin, after which they are filtered and amplified to enable the signal level to exceed the audible threshold. This digital stethoscope not only amplifies the sound levels electronically and records the heat beats but also sends those recorded .wav file to the concern doctors. The doctors now can visualize the heart beats and also hear the auscultation remotely through mobile/web application by means of Internet of Things (IoT), So that the doctors can visit the patients once in a week and concern towards patients regularly

Ultra Violet radiation, Chlorination, washing with soap and heating are some methods of sterilizing. Ultra Violet light is the best sterilizing and disinfectant agent, used for domestic as well as clinical purpose. Food packets, books, stationery, medical equipments, toys, electronic gadgets like mobile phones, laptops, wrist watches, etc can be sterilized with UV radiation whereas other methods of sterilization cannot be used. UV light does not release any waste and is eco-friendly, if used in a controlled manner. UV radiation is a range of electromagnetic waves with shorter wavelength (high frequency and energy). The wavelength from 100-280 nm known as UV-C is the best disinfectant used for purifying water, air, sterilizing vegetables and surgical equipments. Research has shown that UV-C wavelength can kill harmful fungi, protozoa, bacteria and viruses like SARS-CoV-2 Virus. The article describes the construction of a low cost UV-C Sterilizer Box where UV radiation is taking place in a closed environment. Safety features are also incorporated to prevent humans from UV light exposure.

An automatic fish feeder is a device that automatically feed the fish at a predetermined time. In a way, it is to control the fish feeding activity by using a fish feeder that combined the mechanical system and electrical system to form a device instead of manually feeding the fish by hand. Fish owners whom are away for a long time will have trouble knowing the situation of the pond or aquarium. Thus such device is very convenient. At the same time, the environment needs to be monitored. For this paper, I will monitor the environment in term of water temperature. First of all, the device will consist of a motor, stand, fish storage, PLC (Programmable Logic Circuit) and a GSM (Global System for Mobile). The device will feed the fish by dropping the feed from the storage through a hole. The size of the hole is controlled by a piece of block connected to a motor. A timer is used to control the number of feeding time at an interval of time. Plus, there is a feedback system that sense the level of feed left in storage. It will give warning to the user through SMS (Short Messaging Service) so the user will put new feed into the storage. With this, the user or the owner can be away from home with the device monitoring the aquarium condition.

The public awareness for disposing of wastes and make public places clean is being decreasing day by day, the technologies that have been helping to contribute to the field is gathering the interest of scientist and researchers as well. People are looking forward to more effective and less expensive methods. In this, the adiabatic project paved the way for disposing of waste products and to a usable product. It stands for rapidly composting the wastes through the adiabatic process. And this paper is proposed to convey the future aspects of agriculture-based technologies.

Higher diagnostical informatively and possibility to the data in a topographic form. ECG also require to detect the chest pain are discomfort, shortness of breath weakness , anxiety , abdominal pain. ECG can use to detect any latent (silent) cardiac conditions that might worsen with the stresses of surgery and anesthesia.

This work puts forth an idea focusing on simple technique where a vehicle is being automated and that can be controlled through simulation over the internet from remote area. The proposing system consists of steering wheels, brakes and acceleration as like in most of the auto transmission cars. Three high sensitivity potentiometers are converted in such a way that it has to look like power steering wheel, progressive resistance braking and progressive acceleration pedal as same as the interior in car. The vehicle in the other end is mounted with high quality camera for front and rear view to handle it remotely. Moreover the system doesn’t require users to be inside the car and it works well remotely. This greatly helps in surveillance, transport in logistics and mining industries, automotive industries and even for agriculture activities etc. Since the system involves both the Wireless Fidelity and RF communications the signal attenuation may drastically reduced, henceforth depend on the areas and application, the system is designate between the communication type. On the other hand, personalized software is developed with authentication to provide the security to the proposed system.