FFT implementation
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Hello, I have doubt, I want to get the FFT of signals in arduino. I tried to use arduinofft library but have issues in plotting the frequencies present in my signal. any other methods?
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Hi @Adhu ,
Can you specify the application ? also what was the issues when using the arduinofft lib?
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Hi @salmanfaris,
I want to nullify the effect of noise in PPG signal acquisition. But before that I tried a example code which is present in the arduinofft library in GitHub, to check whether it is working or not?. I got an FFT plot but I think it is wrong. I don't know how to use that library. I'm beginner, so can you help me out?
Recent Posts
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What are objects?
Jeff Goodell: Would you explain, in simple terms, exactly what object-oriented software is?
Steve Jobs: Objects are like people. They’re living, breathing things that have knowledge inside them about how to do things and have memory inside them so they can remember things. And rather than interacting with them at a very low level, you interact with them at a very high level of abstraction, like we’re doing right here.
Here’s an example: If I’m your laundry object, you can give me your dirty clothes and send me a message that says, “Can you get my clothes laundered, please.” I happen to know where the best laundry place in San Francisco is. And I speak English, and I have dollars in my pockets. So I go out and hail a taxicab and tell the driver to take me to this place in San Francisco. I go get your clothes laundered, I jump back in the cab, I get back here. I give you your clean clothes and say, “Here are your clean clothes.”
You have no idea how I did that. You have no knowledge of the laundry place. Maybe you speak French, and you can’t even hail a taxi. You can’t pay for one, you don’t have dollars in your pocket. Yet I knew how to do all of that. And you didn’t have to know any of it. All that complexity was hidden inside of me, and we were able to interact at a very high level of abstraction. That’s what objects are. They encapsulate complexity, and the interfaces to that complexity are high level.
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This webinar is focussing on learning Git VCS, a distributed version control system for tracking changes during practical software development.
We will be exploring the usage of various git commands, plugins/extensions and branching-models based on real-world contexts.
The session is targetting absolute beginners with minimum or no experience with git, But a mindset to optimize and improve work efficiency and productivity by learning and exploring new tool-chains and strategies is a must!
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MakerChat 0x07: How to Learn Machine Learning (for Humans) by @GKS
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