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Fire is an event that often occurs due to human negligence. Losses from fire include damage to goods, business delays and can even cause loss of life. For early handling of fires, a "Fire Fighting Control Design Using MQ-2 Sensor and Fuzzy Logic Based 5 Channel Flame Sensor" has been created. This tool uses the MQ-2 sensor to detect gases related to fires, such as hydrocarbon gas. A 5 channel flame sensor is used to detect flames. The predetermined fuzzy logic rules will be used to control the fire extinguisher and implemented using the Arduino Atmega 2560 microcontroller as the brain of the system. Next, the microcontroller will send a control signal to the 12V DC pump output as a water spray system to deal with fires. The test results of this system show that the tool can detect early fire hotspots and respond well to fire extinguishing according to the fuzzy rule decisions carried out by testing the tool with 30 fire spots at different distances.

Stroke is a major health problem in the world. Stroke is the third cause of death in the world after coronary heart disease and cancer. Stroke, both ischemic and hemorrhagic, can have an impact on the sufferer. The aim is to determine the relationship between family knowledge and behavior and early management of stroke events. The research design is a correlative descriptive study with a cross sectional approach. This research was carried out in the Internal Room of HCU lt1 and G3 Neuro lt1 Prof. Hospital. Dr. Aloei Saboe. The number of samples is 67 people. The results showed that the average family knowledge of stroke patients was sufficient with a total of 45 respondents (67.2%), the initial treatment of families in most stroke patients was insufficient with a number of 41 respondents (61.2%). The results of the chi-square analysis test obtained a p-value = 0.000 <? 0.05, so it can be concluded that there is a relationship between family knowledge and the initial treatment of stroke patients. The existence of this research is expected to add to and increase family knowledge in the initial management of stroke patients.