Hi there, I'm very new to the arduino and it's sensors. I was hoping you could help me out a little. I'm trying to measure the heartbeat with the KY-039 sensor: [image] So, my question is how would I set this up with the arduino Uno and a breadboard so I can read out the data? And where can I fin…

How do I use the KY-039 sensor?

bigred1212 April 3, 2014, 9:21pm 4

TerraroQ:
So, perhaps I might be setting it up wrong.

Looking from the top as "Keyes" reads, left pin signal, middle Vcc, right Gnd?

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