Environmental pollution is a global issue that occurs at this time. It is caused by various human activities that produce pollutants that endanger their lives. By utilizing current technology, it is possible to design a Water and Air Quality Monitoring System based on the Internet of Things to monitor air and water quality quickly and in real-time in the surrounding environment. The users can access this system via the web and Android / IOS mobile applications that display the data obtained by the sensor in the form of real-time graphics of water and air conditions. In addition, this system consists of several sensor nodes in charge of providing field data regarding the parameters used as the basis for assessing water and air quality according to the applicable standards in Indonesia. Sensors for water using a Turbidity Sensor, DS18B20 Sensor, PH Sensor, DHT 11, and TDS (Total Dissolved Solids) Sensor. Sensors for air consist of the DHT11 sensor, the MQ-7sensor, the MQ-135 sensor, and the dust sensor GP2Y1010AU0F.
Tutoring agencies provides education service for students who needs to enhance study time outside the regular school hours. Students aim to improve academic achievement; thus, it is important to choose the best tutoring agencies. However, prospective students may have informational constraints related to the positions of tutoring agencies, including the nearest location, the institution's reference quality, registration and other information about the institution. Tutoring institutes also have limitations in providing information to prospective students, such as class status, teachers unable to attend, and reminders of students attending tutoring. Mapping of Geographic Information Systems Tutoring is an application that can help tutoring agencies and students using geographic information system technology and cloud computing in terms of data storage media. The functionalities offered in the application are maps to visualize and determine the position of the lessons, packages to register and determine schedules, notifications as reminders and suppliers of information relating to teachers who cannot participate, registration and payment status, payment through the system, feedback in the form of comments and assessments by students to agencies after the end of tutoring.
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