Arduino + python real time plotting with matplotlib

certainly! this tutorial will guide you through using an arduino to collect data and then using python with matplotlib for real-time plotting. we will be creating a simple project where the arduino reads an analog sensor value (like a potentiometer) and sends it to python via serial communication. python will then plot this data in real-time.

### prerequisites

1. **arduino board**: any arduino board (like arduino uno).
2. **arduino ide**: installed on your computer to upload code to the arduino.
3. **python**: installed on your computer (preferably python 3).
4. **pyserial**: a python library for serial communication. install it via pip:

5. **matplotlib**: for plotting in python. install it via pip:


### step 1: arduino setup

1. connect a potentiometer to your arduino:
- one end to gnd
- the other end to 5v
- the middle pin (wiper) to one of the analog input pins (e.g., a0).

2. open the arduino ide and upload the following code:

### step 2: python code for real-time plotting

### step 3: run the python script

1. make sure your arduino is powered and the code is running.
3. run the script:


### explanation of the python code

- **matplotlib setup**: we create a plot with appropriate labels and a style.
- **animation**: the `funcanimation` function from matplotlib repeatedly calls the `update` function every 100 milliseconds.
- **reading data**: in the `update` function, we read a line from the serial port, decode it, and convert it to an integer.
- **plotting**: the plot is updated with new data points.

### conclusion

you have successfully set up a real-time p ...

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