Due to the presence of hazardous gasses at high levels, some regions are physically very difficult for humans approach. This paper presents a project idea seeks simplify task monitoring air quality in hard-to-reach areas. would help know that region. The system was developed using Arduino Uno microcontrollers and NodeMcu microcontroller is used IoT interfacing system. real-time monitoring, analysis quality, data logging remote server, which allows continuous updating online, all features...

The IoT patient health monitoring system powered by solar panels is an innovative idea that uses the Internet of Things (IoT) and renewable energy to electronically monitor health. comprised various sensors are coupled ESP8266 microcontroller, which sends collected data a central server (Thing Speak) via Wi-Fi module. computer processes analyses data, healthcare practitioners can access patient's information online dashboard or mobile app. usage as power source unique this project....

For simple structure and lower maintenance cost, electric vehicles are popular in this sub-continent. As passenger vehicles, easy bikes being widely used Bangladesh. Mainly, iron core transformer based bulky chargers with efficiency than 80% to charge more 10 million bikes. These inefficient cause huge power losses national utility grid. Moreover, manual controls of such conventional charger bothersome its user. Implementations electronics able operate 90% which can reduce the from A high...

Our life is changing every day. This occurred due to the help of modern science. Science has produced more and technology make our simple. "Smart Floor Cleaning Robot" one them. A smart floor cleaning robot a different type which can clean home's automatically that will be sufficient for day-to-day life. most necessary things home. part parcel Hygiene cleanliness are very important all. But compatible with this world we need work from dawn dusk" so won't get enough time cleaning. As robot"...

Easy bikes or electric auto-rickshaws are the foremost commonly used vehicle in Bangladesh. Mainly, iron core transformer-based bulky chargers with an efficiency of up to 75% employed charge quite 1 million easy daily without any smart controls. Implementation power electronics-based charger ready operate additional than 90% which might reduce losses from utility grid. A high capacity synchronous buck converter based automated charging current controlling topology is proposed during this...

Currently, a big issue is people's inability to gain entry health monitoring systems. Internet of Things (IoT) based solutions remotely track patient's vitals are abundant in the fight against this issue. In article, an IoT system that can core body temperature and heart rate for remote or fatally infected areas, has been developed. With device, doctors may get accurate readings on every 10 seconds. This will collect data from transmit it cloud platform. make information accessible anywhere...

This paper presents the design and evaluates system performance of one-kilowatt capacity asynchronous synchronous buck converter based solar-powered charging systems for battery-driven electric vehicles. The dc motor-operated three-wheeler rickshaw was taken testing systems, where a battery bank containing four series-connected sub-colloid storage type batteries each with 12V, 120Ah has been used. PSIM simulation software used to evaluate performances these two types systems. Hardware...

This paper presents a high-power density onboard integrated charger with multiple outputs-based H-bridge converters for BMS (Battery Management System) li-ion battery bank used in upgraded electric vehicles. The proposed converter can operate as AC to DC and transfer power from the supply grid packs through discrete of system drivetrain. controls over voltage, overcurrent, temperature pack. operation will be done more efficiently separate these BMSs. To obtain high efficiency density, an HF...

Electric three-wheeler auto rickshaws known as easy bikes are becoming quite common in Bangladesh. Due to obvious advantages offered by these vehicles such zero carbon emission and no requirement of gas encourages people transition from traditional fuel-operated vehicle electric vehicles. The battery charging stations for employ bulky chargers containing iron core transformers with maximum efficiency around 80%. As a country which suffers power shortages, it is highly desirable have charger...

This paper presents a solar-powered DC/AC drivetrain design for an electric boat with portable irrigation system. The optimal has 35 PV modules each of 95W (total 3. 3kW), 20 Lead-Acid batteries 12V90Ah 21kWh) as power sources. An induction motor (IM) 5HP to run the and pump 3HP are primary loads drivetrain. Two 3-phase inverters will control IM motors. On storage side, bi-directional buck-boost converter controls charging discharging process. These three controllers operate in MPPT (Maximum...

This paper presents an elementary approach to food spoilage detection and prediction in a warehouse setting, offering practical cost-effective solution reduce waste improve safety. project develops device that can predict detect timely accurate manner by utilizing different gas sensors, temperature, humidity sensor the presence of stored food. The gathered data from is then processed analyzed system. output displayed on LED screen buzzer goes off alert keepers. also involves development...

This paper proposes the use of Internet things (IOT) technology in commercial shop for scanning a product and monitor its quality. The present overall monitoring system based on IOT, which includes sensor hubs collecting required data it. proposed consists multiple levels system, providing new way owners to access their shop's information. presents an automated identifying quality, system. can help maintain good service, this reduce labour cost. IOT isn't owners, but they different types...

The process of packing items without the intervention a manual worker is referred to as automatic product packaging. Over years, automated packaging systems have progressed from discrete machines that automate only one stage in now seamlessly include every step into entire process. This project presents design and implementation machine sorts red green apples using microcontroller, proximity sensor, colour sensor. can scan each apple sensors then separating them conveyor belt, where they are...

The integration of renewable energy sources into the existing power system creates opportunities and problems for optimization demand response. This project presents an IoT-based response successfully harnessing optimizing usage. employs a network sensors actuators to collect real-time data on consumption, environmental conditions, output. is processed analyzed with algorithms find potential savings solutions. offers intelligent control energy-consuming devices using algorithms, aiding load...

Electric motors are used to pump water in multistoried building. Total power consumed by those is huge urban area. By implementing a renewable energy source run can save from national grid. The purpose of this paper provide information about planning and installation solar powered pumping systems using Thin Film PV (Photo Voltaic) Module. 20 panels 95 Watt mounted movable concrete pillar for flexibility. A 3D design was created SketchUp bring perfection mounting panels. three phase inverter...

It is mandatory in Bangladesh to install solar panel on the rooftop of a newly build apartment or factory order get utility connection from service provider. The most cost-effective and efficient way producing energy using connect panels grid through Grid Tie Inverter (GTI). GTI one important components tie system that basically converts dc power into ac power; synchronizing phase, frequency voltage grid. Presently almost all uses are imported other countries it very expensive. A low cost 1...

With the improvement of technology and economic enhancement, people are now using fuel or grid powered machine for food processing. Among all agricultural crops, rice is main crop cultivated in Bangladesh a high efficient processing required this. But excessive rise prices limitation power supply to off areas an obstacle this sector. Ozone gas emissions both burning generation results global warming health issues due inhalation smoke. Because good solar irradiation pattern, husking can...

Through the use of a sensor MPU 6050, "Human-Machine Interface Robotic Arm" is proposed and created in this article. This detects hand motion any direction. The method implements five degrees freedom: base rotation, arm motions, elbow grip rotation. robot can precisely grasp, operate, move objects from one location to another utilizing human movements. user has complete control over his or her based on intents pick up drop an object. described system guarantees instantaneous performance by...

Due to simple mechanics and cheaper maintenance, electric vehicles have gained quick popularity in Bangladesh. Electric tricycles become a revolution the mass transportation system country. Not only they reduced transport cost but also, created jobs developed local automobile industries with no carbon emission air pollution. The battery bank used by these gets energised from utility grid. conventional chargers that use iron core transformer efficiency lower than 80%. These inefficient...

In Bangladesh with this immense problem of traffic the most compatible among all vehicles is bicycle. Though it very user friendly, requires massive amount mechanical energy for pedaling which concept incorporating electricity in bicycle came mid-20th century. With development technology, paper focusing on developing an electric bike recent technologies and to make budget friendly Bangladesh. For hardware implementation, PROTEUS simulator used design BLDC controller by using Arduino IDE...

IoT-based medical wearable device developed for continuous health monitoring, with a focus on establishing Electronic Health Records (EHRs). The employs Internet of Things (IoT) technology, allowing the patient to passively communicate crucial live information such as blood pressure, oxygen saturation, pulse, and temperature. Data is wirelessly transmitted remote server analysis monitoring. In Bangladesh, where access healthcare data can be limited, this unique has enormous potential proof...