Description
Buy link :
https://www.alselectro.in/product-page/heart-beat-pulsesensor-with-high-gain-mcp6004
Code Download :
https://99ba69f9-3a9c-49a1-8c2a-52df0ffe5f34.usrfiles.com/archives/99ba69_5e37f333a71a4c728a65d50e9975976c.zip
BPM - Beats per minute new Heart pulse module is built on MCP6004 Instrumentation amplifier.
The green cup probe has an invisible INFRA RED Source.If you plug in your finger, the Photo detector on the opposite side of the IR source measures the small variations in light intensity due to changes in blood volume inside the tissue.
Finally, it outputs ANALOG readings. TTL level output and also 3.3v level output pins are provided.