https://www.jriiejournal.com/a-portable-and-affordable-photoplethysmography-ppg-based-health-monitoring-solution-for-low-resource-settings/?utm_source=rss&utm_medium=rss&utm_campaign=a-portable-and-affordable-photoplethysmography-ppg-based-health-monitoring-solution-for-low-resource-settings Wed, 28 May 2025 05:15:58 +0000 hourly 1 https://wordpress.org/?v=6.8.1