Body temperature measurements are one of the important vital signs taken in the hospital to help detect the clinical signs of systemic infections. This study developed a low cost wearable automated alarmed thermometer for continuous and efficient remote monitoring of temperature of subjects. The device was developed to monitor the body temperature and trigger off an alarm when high body temperature is detected and also send an SMS alert to connected phones of the health care personnel concerned. The implementation of the study was done using the Arduino Uno (ATMega328P), LM35 temperature sensor, Liquid crystal display (LCD), 9V battery, GSM SIM Module 800L and connecting wires as the hardware’s requirements while Tinker CAD and Multisim 14.2 were used as simulation software. C++ programming language was used for sketch development. The system was soldered in the Veroboard and carefully packaged. Satisfactory results were obtained from the system after testing with eight subjects with the following temperature readings: (35.02˚C, 35.03˚C, 36.02˚C, 36.08˚C, 36.00˚C, 36.05˚C, 37.00˚C, 38.05˚C) respectively. When tested, the developed device gave an alarm at the reading of 38.05˚C which is above the body temperature range. An SMS of the reading was also received. In conclusion, an Automated Alarmed Wearable Thermometer has been developed which can be won around for continual checking of body temperature, thereby reducing constant visits of both patient and health care officers to the clinics or the hospital.
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