Abstract
Temperature and humidity are important things in a chemical laboratory. By utilizing the internet, operators can remotely monitor laboratory temperatures and humidity with the Internet of Things (IoT) system. The Internet of Things (IoT) system can make it easier for operators to monitor temperature and humidity in chemical laboratories wherever and whenever. DHT11 sensor which functions as a temperature and humidity detector, NodeMCU ESP8266 microcontroller which functions as a data processor so that the DHT11 sensor detection results can be displayed on the monitoring website so that operators can see directly the results of temperature and humidity measurements at the chemical laboratory. This research was conducted at the Samarinda Industrial Research and Standardization Center. Data collection methods used are literature study, interviews, and observations. While the system development method used is prototype. As well as the supporting software used by the Arduino Integrated Development Environment, XAMPP, and Sublime.
Highlights
A chemical laboratory is a special room equipped with the necessary tools and facilities so that it can be used for conducting experiments, scientific research, measurements or scientific training
Air temperature and humidity are important in chemical laboratories, because they greatly affect substances or materials that are sensitive to changes in temperature and humidity which can react at one time (April 2016)
The DHT11 sensor measures the temperature and humidity of the air in the chemical laboratory, the NodeMCU ESP8266 microcontroller processes the sensor data that has been obtained from the DHT11 sensor which is displayed on the LCD (Liquid Crystal Display), there is an ESP8266 connected to the NodeMCU which functions for connection to a Wi-Fi network where DHT11 sensor data is sent or stored to the database so that the sensor data can be displayed remotely in real time using the Monitoring Website, and there is a relay that functions to connect and cut off the electric current on the fan (Saputro, 2017)
Summary
A chemical laboratory is a special room equipped with the necessary tools and facilities so that it can be used for conducting experiments, scientific research, measurements or scientific training. Changes in temperature and humidity must be and precisely monitored so that the laboratory room conditions can be declared safe. Research was carried out at the chemical laboratory at the Samarinda Industrial Research and Standardization Center (Baristand Industri Samarinda) so that temperature and humidity monitoring can be monitored remotely in real time through an interface without having to go out and about in the chemical laboratory by utilizing technology temperature and humidity sensor. A tool will be made that can monitor air temperature and humidity in an IoT-based chemical laboratory (Irfan, 2016)
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