Abstract
As a country with the world's sixth-largest population with 11.22% poor population, Indonesia encounters health problems as one of the main issues. According to the Progress Report in Asia & the Pacific, Indonesia is still experiencing delays in the process of achieving the Millennium Development Goals. This study aimed to produce technological innovations related to the monitoring of oxygen saturation and heartbeat using the Telemedicine Smartphone System (TMSS). The contribution of this research is the resulting technological innovations related to the field of telemedicine that can be applied by Indonesian people at affordable prices. The monitoring tools will be effective and efficient when the tools are made with real-time monitoring of SpO2 and BPM using the TMSS system to improve Indonesia's development of health services. This design uses a fingertip sensor to detect oxygen saturation in the blood and an ear clip sensor to detect heartbeats, both sensors have an analog output which is conditioned in the Analog Signal Conditioning (ASC) circuit. The ASC’s output is processed on AT mega 328P. The resulting data is further displayed on the Liquid Character Display (LCD). Data are also sent via HC-05 Bluetooth and displayed on an Android Smartphone with SMS notifications. Based on the measurement results, the greatest error value was 0.220%, while the smallest was 0.055% on the SpO2. BPM had the largest error value of 2.33392%, while the smallest was 0.2283%. This research can be implemented into the transmission system using TMSS to improve the development of health services in Indonesia.
Published Version
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