Heart rate sensor teddy bear


A teddy bear fitted with an infra red (IR) sensor in its paw detects blood flow in your finger when you hold its paw.

A picaxe 08M chip detects the pulses and flashes a light emitting diode (LED) in the Bears chest in time with your pulse rate.

More Picaxe projects for home and school at: www.NexusResearchGroup.com

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