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DIY Heart Rate Monitoring Using WiFi Signals: Exploring the Pulse-Fi Technique

Date: Sep 24, 2025

Category: Health & Technology


Recently, researchers unveiled a groundbreaking method to monitor heart rate by analyzing subtle changes in WiFi signals, a technique now known as 'Pulse-Fi.' Inspired by this innovation, tech enthusiast Nick Bild set out to replicate and expand upon the Pulse-Fi approach using accessible DIY tools. The core concept behind Pulse-Fi is that the human body causes minute disturbances in WiFi signals as the heart beats, which can be detected and analyzed to estimate heart rate. By leveraging standard WiFi hardware and open-source software, Nick demonstrates how hobbyists can build their own non-invasive heart rate monitor at home. Nick’s project involves capturing WiFi signal data, processing it to filter out noise, and applying algorithms to identify the rhythmic patterns corresponding to heartbeats. This approach not only offers a contactless alternative to traditional heart rate sensors but also opens up new possibilities for health monitoring in smart homes and IoT environments. For those interested in experimenting with Pulse-Fi, Nick provides a detailed guide, including hardware requirements, software setup, and step-by-step instructions. The project highlights the potential of wireless technology in health and wellness applications, making advanced biometric monitoring more accessible than ever. Read the source »

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