International Journal of Scientific Research and Engineering Development

One key idea here shifts how we watch health - using internet-connected tools to track heartbeat and blood oxygen live. Built around a small computer called ESP32, this setup links up with a MAX30102 device that grabs body signals nonstop. Instead of just storing numbers, the machine reads them on the spot, then beams details over wireless networks for outside review. What shows up right away appears on a tiny screen attached directly to the unit - no waiting needed. When something looks off, alerts go out automatically, so people who care can respond fast. Remote check-ins become possible not only for medical staff but also loved ones keeping tabs from afar. A small gadget like this moves easily between places, works without draining power, plus it runs cheap enough for long-term use at medical centers or inside homes. Built on internet-connected tech, such tools open doors to better care access while cutting down hands-on checks - also they feed into smarter health networks that operate with less waste.

Harsh Macwan, Vraj Patel, Vedant Vaghela, Jagdish M. Rathod,"Development of Low Cost IoT Based Health Monitoring" International Journal of Scientific Research and Engineering Development, V9(3): Page(754-759) May-June 2026. ISSN: 2581-7175. www.ijsred.com. Published by Scientific and Academic Research Publishing.