Arduino heart rate sensor with buzzer [closed]

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If you’re just looking for somewhere to start then I’d suggest with just getting the buzzer to go off at least once. After that, make another project file and start trying to read input from the sensor. To do this you’re going to need to google a few things, like how the sensor sends data. I’d be willing to bet it just sends a pulse down a wire to ur arduino, so you’ll probably also have to look up ‘how to read voltage input on arduino’.

The scope of you’re question is too large to answer with code and I also don’t want to take this learning experience from you. As Jesper pointed out, once you have code (that either works or doesn’t) come back and either update you’re question or make a new one and we can go from there.

Here’s a working example of an arduino taking an analog input and changing the blink rate of an LED accordingly. https://www.arduino.cc/en/Tutorial/AnalogInput

Arduinos can take both analog and digital input, so that’s where you’ll need to do some research on the heart rate sensor as the code will be different if it is digital.

Heres another site with beginner style tutorials for arduinos, it might be another nice spot for you to start this project: https://programmingelectronics.com/arduino-tutorials-all/

I also don’t know how you’re buzzer works, but I’ve seen people have trouble with them before so if whatever you try doesn’t work you might want to take a look at this: https://www.arduino.cc/en/Reference/Tone

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