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Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

pulse sensor

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    Heart beat sensor, problem with the threshold value !

    Hello community! I'm new on this forum. I'm working on my heartbeat sensor (pulse sensor) that uses PPG technology, i've got some troubles to calibrate the sensor. Actually, i don't know how to choose a "threshold value" in order to have the shape of that ppg signal when i put my finger on it...
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    Problem in counting pulse using IR sensor with PIC microcontroller

    I'm trying to find RPM of a dc motor using PIC24F microcontroller. I've 200 RPM DC motor and IR sensor. I'm counting the pulse input from IR sensor when black material which attached with DC motor shaft contact with IR sensor. I'm printing pulse count for every 60 seconds using PIC timer...
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    Pulse Sensor using NRF24L01 for Wireless Transmission

    Hello, I'm starting with this new project of mine, I am just new to this thing and I hope I'll make it work. I will be using a Pulse sensor https://www.sparkfun.com/products/11574 and it will be apply to a suit that is often used by the gym persons. And to avoid using many numbers of wires...

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