Update README.md

Author: alexander-daniel

README.md

@@ -1,5 +1,15 @@
 ## Raspberry Pi Realtime Streaming with Plot.ly
 
+First, install the required modules and dependencies
+```bash
+sudo apt-get install python-dev
+wget https://bitbucket.org/pypa/setuptools/raw/bootstrap/ez_setup.py -O - | sudo python
+sudo easy_install -U distribute
+sudo apt-get install python-pip
+sudo pip install rpi.gpio
+sudo pip install plotly
+```
+
 Create a config.json file in this directory and input your
 plotly API key, and your generated plotly streaming tokens
 Sign up to plotly here: https://plot.ly/ssu
@@ -77,4 +87,4 @@ while True:
 	s.write({'x': i, 'y': sensor_data })
 	i+=1 # increment 1 on the 'x' axis with each reading
 	time.sleep(1) # delay between stream posts
-```
+```