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    non-contact real-time heart rate monitoring system using Raspberry Pi 3 Model B and Pi NoIR camera

    Hello,Is anyone working on the use of the Raspberry Pi Camera module as a heart rate sensor?I am new to using Raspberry Pi. I want to build a non-contact real-time heart rate monitoring system using Raspberry Pi 3 Model B and Pi NoIR camera.I found two related projects which...
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    I need a critical help in designing a magic toy

    I want design this project for magic shows, and I would like to include this in the act.  How Can I design a circuit so I can make the ball move? I need to design circuit for it. The wand will have the transmitter. The ball will have the receiver in it. I want to make it stop when...
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