IoT based Green Disinfection Chamber

This paper presents a design and implementation of an IoT-based Green Disinfection Chamber to fight against the COVID-19 virus. The primary function of this disinfection chamber is to sanitize the clothes worn by the person who uses this chamber from head to toe in a matter of seconds. In addition, it can read the body temperature of the person using the MLX90614 contactless temperature sensor. Here a 4x3 keypad has been provided to type the NIC number of the person who uses this chamber. The valuable data such as the user’s body temperature, date and time he or she used this chamber, and identification details are being saved automatically in a remote cloud server with the help of a Wi-Fi-based ESP8266 (NodeMCU) module. On the chemical storage side, an ultrasonic sensor has been used at the bottom of the chemical tank lid to determine the chemical level and to generate an alarm refill signal if necessary. The rationale and novelty of this innovation are that it does not require any additional person to assist in doing that task separately, reducing the risk of health workers and doctors. Another unique feature is that the entire process is powered by solar energy to minimize environmental pollution and avoid main grid connection being used in any remote location. For this reason, the word "Green" has been used for this project. This innovation uses the latest technology to create a more cost-effective design with eco-friendly and energy-saving features to protect people, which would be ideal for developing countries to cope with pandemic situations, especially in the Sri Lankan context today.