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Background: Dengue hemorrhagic fever is one of the population's health issues in Indonesia, with an increasing number of sufferers as the disease spreads. The cases rose dramatically in Panji Village, with a significant spike in cases per year. Dengue hemorrhagic fever transmission is inextricably linked to the residents' experience and behavior. Mosquito Nest Eradication is the most reliable, safe, and cost-effective method of eliminating dengue fever vectors. The MNE Program must be complemented by increasing public awareness of dengue fever. Public awareness is needed since it is the first step in changing people's behavior. The aim of this study is to describe the community's level of knowledge and behavior regarding MNE in Panji Village. Method: This study is a descriptive study using univariate analysis. The overall selection of this study was 400 people from the community who were interviewed using a questionnaire. The inclusion criteria comprises any community member from Banjar Dinas Dangin Pura, who is 17 to 55 years old and can read and write. Meanwhile, people between the ages of 17 and 55 who are wandering, those with mental illnesses, and people with special needs are among the exclusion criteria. Results: The majority of the population in the Banjar Dinas Dangin Pura Panji Village was between the ages of 26 and 35 (46.7%), In terms of gender  (224 people) (56%) were men, completed their high schools, with 229 people (57.3%), were working as farmers 158 individuals (39.4%). Most people in Banjar Dinas Dangin Pura Panji Village had inadequate knowledge as many as 249 individuals (62.3%), and had less behavior as many as 152 individuals (38%) towards MNE. Conclusion : The majority of people had a poor degree of awareness about MNE, and those on MNE had a poor degree of behavior.

The waste processing and renewable energy are being the issues in the industrial 4.0 era. Kitchen and organic trash in the rural areas will become a disaster if there is no solutions. On the other hand, kitchen and organic waste have a positive side, that they can be converted into biogas which can be converted into electricity. On the Minister of Energy and Mineral Resources Regulation Number 27 of 2014, supports the development of biogas and will buy electricity from the biogas conversion. The potential for biogas that obtained by the organic trash per 1000 people is 7619.8 liters of biogas, it meas that the energy contained is still abundant and the production can still be increased if processed with a modern digester system. This research produces a tool in the form of a portable digester that named GenBIoT (IoT-based Biogas Generator) which can be used by the public to produce biogas that  used by home industries or general factories. This research used the research method that similar to System Development Life Cycle (SDLC), this tool is built with several stages starting from planning analysis, designing, functional testing, data analysis and reporting of the results or implementing this tool that can be used as an alternative, as a cheap and easy source energy. This tool is based on the Internet of Things so that this tool can be monitored regarding gas pressure in the reactor, biogas volume and it will detect if there is a biogas leak so it will displayed on the system. To produce the maximum biogas composition, 50% of cow dung is required, 40% of kitchen trash and 10% of water with a ratio of 5: 4: 1 so it will produce 40 kg of biogas with a volume of methane gas (VGM) 0.11 m3 of biogas for cow dung. and 0.04 m3. The third experiment becomes the basis of future biogas production with energy produced from biogas per day of 716.39 Wh