Feature: Medical IoT
Wearable health monitoring with
Bluetooth LE By Adithya Madanahalli, IoT Engineer in the Wireless Connectivity and Sensors unit at Würth Elektronik eiSos, and Matthias Hauser, a Software Engineer, at Würth Elektronik
W
earable health monitoring is transforming remote patient care, enabling continuous
tracking of vitals beyond clinics’ boundaries. Tey are moving care from the hospital to the patient’s everyday life, providing continuous measurement of heart rate, SpO2, temperature, ECG and motion, delivering richer diagnostics data than sporadic spot checks. Tis continual measurement helps detect health problems earlier, leading to better patient care. Remote patient monitoring and early- warning capabilities improve therapy adherence and increase patient safety.
24 April 2026
www.electronicsworld.co.uk Tese benefits are driving the strong
growth in the wearable medical device market. Studies show double-digit CAGR through to 2030, with a market value surpassing $150bn. Competition comes from traditional med-tech companies, consumer electronics giants and specialised start-ups. In such a landscape, the fastest teams that can implement, certify and iterate products quickly gain a decisive advantage.
Engineering challenges When developing connected wearables, engineering teams face a combination of technical, regulatory and commercial hurdles. Among the most critical are time to market, regulation and certification, power
consumption, and engineering know-how for tackling integration complexity and reducing product size. Building reliable, secure and power-
efficient connected wearable systems remains an engineering marathon, fraught with technical and commercial pitfalls. From battery drain and regulatory compliance to wireless communications know-how gaps, security risks and drawn- out development cycles, the engineering hurdles can be sizeable. Tis is why companies like Würth Elektronik develop pre-built, standards-compliant firmware, creating a shortcut to ready-for-market wearable medical devices. By re-using certified hardware, proven firmware and ready-to-use SDKs, engineering teams can
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