Serial port to python plot example

Veröffentlicht am: 16 Juli 2024
auf dem Kanal: CodeLive

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sure! serial communication is a common way to exchange data between a computer and an external device. in this tutorial, i will show you how to read data from a serial port in python and plot it using the `matplotlib` library.

here are the steps we will follow:

1. open a serial connection to the device.
2. read data from the serial port.
3. parse the data.
4. plot the data using `matplotlib`.

first, make sure you have the `pyserial` and `matplotlib` libraries installed. you can install them using pip:

now, let's write the python code:

in this code:
we open a serial connection using the `serial` library.
we create a plot using `matplotlib` and update it in real-time as data is read from the serial port.
the code assumes that the data coming from the serial port is in a simple comma-separated format (e.g., "x,y").

remember to change the port name `'com3'` and baud rate `9600` to match your specific setup.

i hope this tutorial helps you get started with reading data from a serial port and plotting it in python! let me know if you have any questions.

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