Smart Wearable Health Device for Heart Rate and Temperature Measurements

Esraa Youssef Salem, Menna Y. Zain and Mira Alfons
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Esraa Youssef Salem: Maadi STEM School for Girls, Cairo, Egypt
Menna Y. Zain: Maadi STEM School for Girls, Cairo, Egypt
Mira Alfons: Maadi STEM School for Girls, Cairo, Egypt

International Journal of Technology Diffusion (IJTD), 2020, vol. 11, issue 1, 17-28

Abstract: Lack of communication can be seen in many aspects, such as public health, and recycling. We found that in public health people suffer from lack of facilities and it may lead to death, but building new hospitals is not the right solution, but improved communication is. To solve both problems with a simple solution, the Internet of Things (IoT) had to be involved. So, we proposed a solution, which is a WHD (wearable health device) that measures temperature and heart rate for the patient and compares them to a database, it consists of Arduino Nano wired to both LM35 temperature sensor and pulse sensor. The readings are displayed on an OLED screen, as well as on a mobile application called ThingView. If the readings are abnormal, an action would be taken either to contact a relative or the ambulance, depending on its severity. It would decrease the trips to hospitals. We have tested for the device's efficiency and sensor calibration, and the results were promising. The competence of the pulse sensor is very high as its relative error is ±0.07. The temperature sensor (LM35) has very low relative error which is ±0.00356. The final cost was computed to be $26.5.

Date: 2020
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