Premature babies born before 38 weeks have a high risk of dying, requiring urgent care. Premature babies receiving intensive care in incubators need certain temperature, humidity, and a quiet room. In addition, the baby should also be ensured that his body temperature remains normal during the treatment period. Based on the condition of these vulnerable babies, it is very necessary to have a temperature monitoring system in the incubator. Therefore, the purpose of this research is to develop a baby incubator monitoring system that still uses the manual method to make it faster, easier, and more practical. This module is a tool that works independently and is not part of the baby incubator. Therefore, any brand of the incubator can be monitored using this module. The system in this module is wireless and uses a Wi-Fi network for data transmission. By using several ESP32 modules assembled into a central system, the data obtained from monitoring each sensor will be processed by the ESP32 which functions as a client, and collected at the central point of the ESP32 which functions as a server using the internal wifi network of the ESP32 itself as data transmission. The data from the server will subsequently be shown on the TFT Nextion display. Based on the overall measurement results using 2 baby incubators, the highest error values were 1.387% for the incubator temperature parameter, 3.911% for the skin temperature parameter, 10.5% for the humidity parameter, and 25.692% for the noise parameter. The results showed that the module that was made still contained errors in each measurement. The results of this study will assist nurses in more simply and swiftly monitoring premature newborns.
The consequence of spinal cord injury (SCI) is the malfunction of some parts of the body. This observation especially applies to trauma at the cervical level, because both patients' hands and legs are no longer functioning. The purpose of this study was to determine the mechanism of the comparator treshold system in electric wheelchairs for patients with paralysis. The research contribution is to get a treshold mechanism that can make a wheelchair run smoothly without being affected by the strength of the user's unstable muscle contractions. To set the muscle reference value, connect the transmitter to Android using USB Cable. On Android there are 2 settings modes, namely manual and auto settings. The method used in auto mode is the transmitter will take 100 contraction and 100 relaxation data and multiplied by certain constants to get the upper and lower threshold values. In setting the threshold manually, the value is set based on the strength of the patient's contractions that are displayed on Android manually. Where in the threshold setting manually obtained response 93.3% of forward movement, 100% of turn left movement, 100% of turn right movement and 93.3% of backward movement. Meanwhile, the threshold setting automatically gets 80% response for forward movements, 93.3% for turn left movements, 86.6% for turn right movements and 93.3% for backward movements. The results of the tapping into 4 parts of the muscle can be implemented to detect muscle contractions so that the wheelchair can move according to orders. The problem obtained in this study is that there are many tapping points on the face so that it interferes with the comfort and time of installing electrodes on the face, also the patient's muscle reference setting system on Android still needs the help of others. In the future, it is expected to reduce tapping points and improve the efficiency of muscle threshold settings.
Premature babies born before 37 weeks of gestation or babies born with a weight criterion of less than 2500 grams are very susceptible to viruses if they are kept in an open space. Therefore, they need to be they need to be taken care for in a baby incubator that will protect premature babies. An incubator is critical in the survival of premature newborns. Temperature management is one of the most important roles of a baby incubator, as it is essential to create thermo-neutrality in an infant's body. The purpose of this study was to analyze the temperature sensor in an infant incubator using proportional and derivative controls. To obtain a stable and precise temperature, this temperature sensor complies with hospital infant incubator standards. This study used the LM35 and DS18B20 temperature sensors and used the Atmega 2560 Microcontroller where the temperature will also be displayed on a computer using serial communication. Temperature data were obtained based on the measurement results at all set points on the LM35 sensor. In this case, the rise time is 6 minutes 20 seconds, the average overshoot is 2.2°C, and the time to reach steady-state status is 25 minutes. Meanwhile, on the DS18B20 sensor, the average rise time is 6 minutes, the overshoot is 1.2°C on average and the time to reach a steady-state is 23 minutes. It can be considered that the DS18B20 sensor is superior to the LM35 sensor because it has a faster average rise time and steady-state and the overshoot on the DS18B20 sensor is still within tolerance limits.
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