RPI PWM SIGNAL configuration
Adafruit Python PCA9685 Python code to use the PCA9685 PWM servo/LED controller with a Raspberry Pi or BeagleBone black. Installation To install the library from source (recommended) run the following commands on a Raspberry Pi or other Debian-based OS system: sudo apt-get install git build-essential python-dev cd ~ git clone https://github.com/adafruit/Adafruit_Python_PCA9685.git cd Adafruit_Python_PCA9685 sudo python setup.py install Alternatively you can install from pip with: sudo pip install adafruit-pca9685 Note that the pip install method won't install the example code. Check I2C device sudo i2cdetect -y 1 Installation You can install this package in the usual way using pip : pip install flask - socketio sudo pip install -U socketIO-client from flask import Flask, render_template from flask_socketio import SocketIO app = Flask(__name__) app.config['SECRET_KEY'] = 'secret!' socketio = SocketIO(app) from socketIO_client ...