enable i2s sudo raspi-config Advanced Settings > Enable I2C or run the commands below sudo sed -i 's/#dtparam=i2s-arm=on/dtparam=i2s-arm=on/g' /boot/config.txt sudo sed -i 's/#dtparam=i2s=on/dtparam=i2s=on/g' /boot/config.txt install i2c tools sudo apt-get install i2c-tools python-smbus