Connect module as in http://www.esp8266.com/wiki/doku.php?id=raspberrypi:getting_started sudo apt install picocom sudo systemctl stop serial-getty@ttyS0.service sudo systemctl disable serial-getty@ttyS0.service sudo nano /boot/config.txt Add enable_uart=1 sudo nano /boot/cmdline.txt Remove console=serial0,115200 sudo apt-get install git-core git clone git://git.drogon.net/wiringPi cd wiringPi ./build