installing modules from github:
   sudo python3 setup.py install 
   make shure to choose the python version you want the module to be installed for

DHT11 temperatur and humidity sensor
https://learn.adafruit.com/dht

BMP180 - barometric sensor
  https://www.adafruit.com/products/1603 
  wget https://github.com/adafruit/Adafruit_Python_BMP/archive/master.zip
  sudo pip-3.2 install cffi
  sudo pip-3.2 install smbus-cffi