Buy One + Buy One - Savings Bundle (Recommended) PulseSensor Stabilizer Ring 100 insulated Vinyl Dots terms of sale User Manual + User Manual - Getting Started Project Data Sheet Extended Manual Arduino + Arduino - Examples Library Getting BPM "Beep" sound with your Heartbeat Servo Tutorial 2+ PulseSensors at Once Arduino PulseSensor ToolBox micro:bit + micro:bit - Multimeter Fun Live Pulse BPM an