You need a heart rate readout for a build — fitness tracker, health monitor, interactive installation — and you don't want to reverse-engineer a medical device. This Keyes pulse sensor uses photoplethysmography (PPG) to detect blood volume changes through light absorption. Compact and affordable, built for real-time monitoring in your own projects
| 0 | Fitness tracking |
| 1 | Health monitoring |
| 2 | Interactive projects |
| brand | JAYCAR |
| technology | Photoplethysmography (PPG) |
| category | CABLES & CONNECTORS |
